id
int64
0
1,000k
quizzes
stringlengths
81
81
solutions
stringlengths
81
81
method
stringclasses
2 values
steps
sequencelengths
44
52
999,900
060000405000070001192058036700045920600020103900013070003780060000001000040209800
367192485458376291192458736731645928684927153925813674213784569879561342546239817
constraint_programming
[ "R0C7=8", "R0C5=2", "R6C0=2", "R3C8=8", "R7C4=6", "R7C0=8", "R5C3=8", "R8C4=3", "R5C1=2", "R4C7=5", "R4C2=4", "R1C7=9", "R7C3=5", "R3C2=1", "R5C8=4", "R1C1=5", "R1C3=3", "R6C6=5", "R4C3=9", "R8C7=1", "R5C2=5", "R1C0=4", "R8C0=5", "R4C1=8", "R5C6=6", "R0C4=9", "R7C1=7", "R6C5=4", "R3C3=6", "R2C6=7", "R0C2=7", "R6C1=1", "R0C3=1", "R7C2=9", "R7C7=4", "R1C5=6", "R8C2=6", "R8C8=7", "R4C5=7", "R0C0=3", "R6C8=9", "R7C8=2", "R2C3=4", "R1C2=8", "R1C6=2", "R3C1=3", "R7C6=3" ]
999,901
540200680001000407078600090080000149000500030960040250000309000412050003003070560
549237681631985427278614395385762149124598736967143258756329814412856973893471562
backtracking
[ "R4C4=9", "R0C5=7", "R1C7=2", "R2C6=3", "R0C8=1", "R8C0=8", "R8C5=1", "R6C6=8", "R8C8=2", "R7C3=8", "R4C5=8", "R3C5=2", "R5C5=3", "R2C5=4", "R7C6=9", "R5C3=1", "R2C0=2", "R0C4=3", "R6C1=5", "R4C6=7", "R4C0=1", "R4C8=6", "R6C7=1", "R1C3=9", "R7C5=6", "R3C0=3", "R0C2=9", "R6C8=4", "R6C2=6", "R6C4=2", "R2C8=5", "R8C1=9", "R1C4=8", "R8C3=4", "R2C4=1", "R4C1=2", "R1C0=6", "R3C4=6", "R4C2=4", "R1C1=3", "R6C0=7", "R3C2=5", "R1C5=5", "R3C3=7", "R7C7=7", "R5C2=7", "R5C8=8" ]
999,902
350700080000860000607091000000205800700086309021004705100009040400010003003020970
359742186214863597687591432936275814745186329821934765172359648498617253563428971
backtracking
[ "R1C6=5", "R6C4=5", "R1C8=7", "R1C2=4", "R8C3=4", "R7C5=7", "R3C0=9", "R0C2=9", "R5C0=8", "R3C1=3", "R0C6=1", "R1C5=3", "R4C7=2", "R2C7=3", "R6C1=7", "R7C2=8", "R5C4=3", "R6C8=8", "R8C8=1", "R1C1=1", "R2C3=5", "R0C4=4", "R4C3=1", "R5C3=9", "R8C0=5", "R2C8=2", "R8C5=8", "R4C1=4", "R3C4=7", "R2C1=8", "R0C8=6", "R7C6=2", "R3C2=6", "R6C3=3", "R1C7=9", "R4C2=5", "R7C7=5", "R5C7=6", "R7C1=9", "R0C5=2", "R3C8=4", "R2C6=4", "R3C7=1", "R6C2=2", "R7C3=6", "R8C1=6", "R1C0=2", "R6C6=6" ]
999,903
786200905001007320500000000030000806009060204800431000090070000004590702050308160
786213945941657328523984671435729816179865234862431597698172453314596782257348169
constraint_programming
[ "R3C0=4", "R3C5=9", "R5C6=5", "R0C5=3", "R1C1=4", "R6C7=5", "R8C4=4", "R1C8=8", "R3C2=5", "R5C8=7", "R7C5=6", "R2C1=2", "R7C7=8", "R6C8=3", "R5C2=2", "R8C8=9", "R7C0=3", "R4C0=1", "R6C3=1", "R2C8=1", "R5C1=6", "R0C7=4", "R4C1=7", "R2C7=7", "R8C2=7", "R0C4=1", "R8C0=2", "R4C3=8", "R5C7=9", "R6C6=4", "R1C3=6", "R6C2=8", "R3C4=2", "R4C5=5", "R3C7=1", "R3C3=7", "R1C4=5", "R2C4=8", "R2C3=9", "R2C2=3", "R6C0=6", "R2C5=4", "R4C7=3", "R7C1=1", "R2C6=6", "R6C5=2", "R1C0=9" ]
999,904
700051204013000000480006070000380020000002697500004301009103500048900002100700063
796851234213479856485236179961387425834512697527694381679123548348965712152748963
backtracking
[ "R1C6=8", "R6C0=6", "R2C3=2", "R0C7=3", "R5C4=9", "R2C4=3", "R1C8=6", "R4C3=5", "R6C1=7", "R6C8=8", "R6C7=4", "R1C3=4", "R6C4=2", "R1C4=7", "R4C4=1", "R8C1=5", "R0C2=6", "R8C5=8", "R5C2=7", "R3C6=4", "R3C2=1", "R2C6=1", "R4C2=4", "R7C0=3", "R0C3=8", "R2C2=5", "R5C1=2", "R1C5=9", "R8C2=2", "R7C4=6", "R3C1=6", "R7C6=7", "R5C7=8", "R1C7=5", "R3C0=9", "R3C8=5", "R8C6=9", "R4C0=8", "R7C5=5", "R7C7=1", "R8C4=4", "R3C5=7", "R1C0=2", "R2C8=9", "R5C3=6", "R4C1=3", "R0C1=9" ]
999,905
904300001080200060060007005000004370027601080500030090008000200019802637700010400
974365821185249763263187945891524376327691584546738192658473219419852637732916458
constraint_programming
[ "R1C0=1", "R0C4=6", "R1C6=7", "R5C8=2", "R5C1=4", "R2C3=1", "R1C4=4", "R5C5=8", "R8C1=3", "R2C7=4", "R0C7=2", "R5C3=7", "R6C5=3", "R2C6=9", "R3C0=8", "R6C3=4", "R0C5=5", "R1C5=9", "R4C0=3", "R5C2=6", "R3C8=6", "R8C7=5", "R7C4=5", "R3C3=5", "R8C3=9", "R3C2=1", "R8C5=6", "R6C8=9", "R4C8=4", "R6C7=1", "R6C4=7", "R5C6=1", "R8C2=2", "R2C2=3", "R6C1=5", "R0C1=7", "R0C6=8", "R4C6=5", "R3C1=9", "R3C4=2", "R2C0=2", "R1C8=3", "R7C0=4", "R8C8=8", "R1C2=5", "R6C0=6", "R4C4=9", "R2C4=8" ]
999,906
070042000390580000500000001003090078400130095200607000000000027608405100010320064
871942356396581742542763981153294678467138295289657413934816527628475139715329864
constraint_programming
[ "R5C1=8", "R6C4=1", "R2C5=3", "R2C1=4", "R0C0=8", "R5C7=1", "R3C0=1", "R0C8=6", "R1C8=2", "R0C6=3", "R4C5=8", "R1C5=1", "R3C6=6", "R5C4=5", "R1C2=6", "R1C6=7", "R0C7=5", "R8C5=9", "R0C3=9", "R6C5=6", "R2C2=2", "R2C7=8", "R7C7=3", "R8C6=8", "R7C1=2", "R6C3=8", "R2C6=9", "R8C2=5", "R3C3=2", "R7C4=7", "R5C2=9", "R6C2=4", "R6C1=3", "R5C8=3", "R4C6=2", "R0C2=1", "R3C5=4", "R3C1=5", "R1C7=4", "R4C2=7", "R2C4=6", "R8C0=7", "R2C3=7", "R7C8=9", "R6C6=5", "R6C0=9", "R4C1=6", "R5C6=4" ]
999,907
009007008248090600160300000005900036900540700420070100000080045000601020873050000
359467218248195673167328594785912436931546782426873159612789345594631827873254961
backtracking
[ "R5C2=6", "R6C0=6", "R2C2=7", "R6C6=3", "R8C8=1", "R1C7=7", "R5C7=5", "R3C5=2", "R3C0=7", "R4C7=8", "R4C5=6", "R7C1=9", "R1C5=5", "R5C3=8", "R7C4=3", "R1C8=3", "R3C4=1", "R6C1=1", "R8C5=4", "R2C7=9", "R1C3=1", "R0C7=1", "R6C2=2", "R3C1=8", "R8C3=2", "R4C8=2", "R0C0=3", "R7C6=8", "R6C3=7", "R4C2=1", "R7C0=5", "R5C8=9", "R8C6=9", "R2C5=8", "R3C6=4", "R2C8=4", "R8C7=6", "R0C4=6", "R2C6=5", "R0C6=2", "R0C3=4", "R7C8=7", "R6C5=9", "R2C4=2", "R5C5=3", "R0C1=5", "R7C2=4", "R4C1=3" ]
999,908
003900007000001506000320094010008002009500640070036080908072000105040300600800900
853964217492781536761325894316498752289517643574236189938172465125649378647853921
backtracking
[ "R2C6=8", "R8C2=7", "R4C0=2", "R2C2=1", "R0C4=6", "R7C5=9", "R1C1=9", "R7C1=2", "R4C1=8", "R5C2=4", "R5C3=2", "R8C5=3", "R1C3=7", "R8C7=2", "R3C7=5", "R0C6=2", "R6C8=5", "R1C4=8", "R5C0=5", "R5C6=1", "R8C4=5", "R6C7=6", "R8C8=1", "R6C3=1", "R7C8=8", "R3C3=4", "R4C4=1", "R0C5=4", "R4C8=3", "R4C5=7", "R7C3=6", "R2C5=5", "R3C4=9", "R7C7=7", "R1C0=4", "R1C2=2", "R2C0=7", "R2C1=6", "R1C7=3", "R0C0=8", "R6C6=4", "R0C1=5", "R3C2=6", "R0C7=1", "R8C1=4", "R5C8=9", "R3C6=7", "R6C1=3", "R3C0=3" ]
999,909
408093020700104030002600500051007009900200000003400850806000007107080900039060402
468593721795124638312678594651837249984256173273419856826945317147382965539761482
backtracking
[ "R5C4=1", "R4C5=6", "R7C5=2", "R4C1=8", "R6C1=2", "R4C4=5", "R0C6=7", "R2C4=7", "R1C2=5", "R4C6=1", "R1C8=8", "R4C8=3", "R3C0=6", "R4C7=7", "R1C4=2", "R3C3=8", "R6C5=5", "R1C6=6", "R6C7=1", "R3C6=2", "R7C1=4", "R2C8=4", "R8C3=7", "R6C3=9", "R8C5=1", "R2C7=9", "R0C8=1", "R6C6=3", "R2C5=8", "R7C8=5", "R5C1=7", "R8C0=5", "R7C3=3", "R3C7=4", "R5C5=9", "R4C2=4", "R2C1=1", "R5C0=2", "R8C7=8", "R7C7=6", "R5C8=6", "R2C0=3", "R0C1=6", "R0C3=5", "R6C4=4", "R3C4=3", "R1C1=9" ]
999,910
200060100700004059058030002510000904060091503007380000920750600004800320000006001
249568137736124859158937462513672984862491573497385216921753648674819325385246791
backtracking
[ "R0C1=4", "R8C0=3", "R6C2=1", "R3C5=2", "R7C8=5", "R2C6=4", "R2C5=7", "R0C2=9", "R8C6=7", "R5C7=1", "R5C1=9", "R7C1=7", "R0C5=8", "R7C4=1", "R5C8=6", "R4C3=4", "R8C1=8", "R2C7=6", "R5C0=4", "R5C6=2", "R8C4=4", "R2C0=1", "R3C7=8", "R7C5=9", "R5C5=5", "R3C3=6", "R1C4=2", "R2C3=9", "R4C7=7", "R0C3=5", "R3C4=7", "R1C1=3", "R8C3=2", "R8C2=5", "R4C0=8", "R4C2=2", "R6C8=8", "R1C3=1", "R0C8=7", "R8C7=9", "R0C7=3", "R6C7=4", "R1C2=6", "R6C5=3", "R3C2=3", "R7C0=6", "R1C6=8" ]
999,911
012006004800000070904830605080040397003050016260000000009203000125007830700090400
312576984856924173974831625581642397493758216267319548649283751125467839738195462
backtracking
[ "R8C8=2", "R4C6=2", "R4C0=4", "R0C3=5", "R6C0=6", "R7C3=4", "R6C6=7", "R3C2=1", "R8C7=6", "R1C3=9", "R6C4=8", "R3C5=2", "R5C4=1", "R1C1=5", "R7C8=9", "R5C6=5", "R2C7=2", "R1C2=6", "R1C5=4", "R6C1=4", "R5C2=7", "R3C0=5", "R5C3=3", "R1C6=1", "R4C3=7", "R2C5=1", "R0C7=8", "R5C5=9", "R8C3=1", "R6C7=5", "R0C0=3", "R5C8=8", "R8C2=8", "R0C6=9", "R8C5=5", "R1C8=3", "R4C1=9", "R1C4=2", "R4C5=8", "R2C1=7", "R5C7=4", "R0C4=7", "R3C3=6", "R6C8=1", "R7C4=6", "R8C1=3" ]
999,912
700500010250070000039820050000005142000749680380000090107006000060200430400100906
748563219251974368639821754976385142512749683384612597197436825865297431423158976
constraint_programming
[ "R6C4=3", "R7C4=9", "R8C2=3", "R3C3=3", "R4C8=3", "R7C8=1", "R3C2=6", "R1C7=6", "R3C1=7", "R6C3=4", "R8C1=2", "R2C0=6", "R6C1=9", "R7C5=7", "R6C6=8", "R7C0=8", "R0C1=4", "R7C2=5", "R8C7=7", "R8C5=8", "R6C8=5", "R5C6=5", "R4C0=5", "R4C1=1", "R5C8=7", "R1C5=4", "R0C8=9", "R5C4=1", "R1C6=3", "R1C8=8", "R5C2=4", "R0C5=3", "R0C4=6", "R1C2=1", "R8C4=5", "R0C6=2", "R5C5=2", "R2C8=4", "R6C7=2", "R3C0=9", "R5C3=6", "R4C2=2", "R2C5=1", "R3C4=8", "R0C2=8", "R2C6=7", "R1C3=9" ]
999,913
080030002907000004240170000002850060030006800068007045056080001000013700090400358
685934172917628534243175689472851963539246817168397245356789421824513796791462358
backtracking
[ "R7C1=2", "R7C7=9", "R6C5=9", "R3C0=4", "R5C3=3", "R7C2=4", "R2C6=6", "R6C7=2", "R1C7=3", "R7C3=5", "R0C5=4", "R8C0=7", "R3C8=3", "R4C3=2", "R0C3=9", "R0C0=6", "R4C0=5", "R6C0=3", "R4C8=7", "R2C8=9", "R3C1=7", "R2C7=8", "R7C0=8", "R1C1=1", "R2C2=3", "R1C6=5", "R4C7=1", "R5C4=9", "R1C4=2", "R8C5=2", "R5C6=2", "R8C2=1", "R0C7=7", "R1C3=6", "R3C6=9", "R3C5=1", "R2C5=5", "R6C6=4", "R8C4=6", "R1C5=8", "R0C2=5", "R0C6=1", "R6C3=7", "R5C0=1", "R4C4=4", "R4C2=9", "R7C8=6" ]
999,914
901870002020500400600013050708090010132000590000600030300000007004106900509480600
951874362823569471647213859768395214132748596495621738386952147274136985519487623
backtracking
[ "R7C8=5", "R0C5=4", "R3C6=2", "R7C0=2", "R0C1=5", "R5C6=7", "R6C3=9", "R5C8=8", "R1C8=1", "R4C8=6", "R4C5=8", "R1C4=6", "R5C2=5", "R1C0=8", "R3C1=6", "R5C1=9", "R5C4=2", "R1C7=7", "R3C3=3", "R6C1=8", "R7C7=8", "R2C2=7", "R6C2=6", "R5C5=1", "R8C5=7", "R6C6=1", "R0C7=6", "R4C4=4", "R2C3=2", "R7C4=3", "R6C5=2", "R8C1=1", "R2C6=8", "R0C6=3", "R3C8=4", "R2C8=9", "R6C4=5", "R1C5=9", "R8C7=2", "R1C2=3", "R5C0=4", "R7C1=7", "R4C3=7", "R8C8=3", "R6C7=4", "R3C5=5", "R2C1=4" ]
999,915
309608504240000037000000900803001200900060100007300068501297800000000021000046005
379628514248915637615734982863471259954862173127359468531297846496583721782146395
constraint_programming
[ "R2C3=7", "R8C1=8", "R8C6=3", "R7C5=3", "R0C4=2", "R4C8=3", "R4C1=5", "R1C5=5", "R7C3=5", "R7C0=4", "R7C1=9", "R8C0=7", "R2C2=5", "R5C0=1", "R2C8=2", "R2C5=4", "R1C4=1", "R6C8=6", "R5C5=9", "R3C8=9", "R4C3=8", "R1C6=6", "R3C4=7", "R2C1=1", "R6C1=3", "R2C4=3", "R7C6=7", "R2C0=6", "R8C3=1", "R0C7=1", "R1C2=8", "R4C2=4", "R5C6=4", "R2C7=8", "R3C7=5", "R7C4=8", "R7C2=6", "R5C1=2", "R0C1=7", "R3C1=6", "R8C7=9", "R4C5=2", "R3C3=4", "R8C2=2", "R4C7=7", "R6C7=4", "R5C4=5", "R1C3=9" ]
999,916
104080002970506000060190050500720300008030020006004705290801004030000070400070901
154387692972546813863192457519728346748635129326914785297861534631459278485273961
backtracking
[ "R7C5=9", "R4C0=7", "R8C2=5", "R8C1=8", "R5C1=2", "R0C1=5", "R1C7=1", "R3C2=9", "R3C7=4", "R4C6=1", "R2C5=2", "R1C2=2", "R8C7=6", "R7C6=2", "R1C4=4", "R0C3=3", "R2C6=4", "R1C8=3", "R7C2=1", "R6C4=6", "R2C2=3", "R2C0=8", "R3C8=6", "R3C1=1", "R3C5=8", "R4C8=9", "R5C4=1", "R6C6=5", "R8C3=2", "R4C3=6", "R5C7=8", "R8C5=3", "R0C6=6", "R0C5=7", "R2C8=7", "R7C4=5", "R6C2=7", "R7C8=8", "R4C1=4", "R7C0=6", "R1C6=8", "R0C7=9", "R5C3=9", "R7C3=4", "R4C5=5", "R5C0=3", "R6C7=3" ]
999,917
700301000051409006009260050600904000034600800000007104510700902020080300083500007
762351498851479236349268751678914523134625879295837164516743982927186345483592617
backtracking
[ "R3C8=3", "R4C7=7", "R5C7=6", "R3C2=8", "R5C4=3", "R3C6=5", "R8C4=9", "R7C0=9", "R5C2=5", "R4C5=5", "R4C8=9", "R1C6=2", "R8C7=1", "R7C3=1", "R6C7=8", "R5C3=8", "R1C0=8", "R5C1=9", "R0C4=5", "R7C8=5", "R2C5=8", "R8C6=6", "R3C4=1", "R5C0=2", "R7C2=7", "R1C4=7", "R2C0=3", "R0C8=8", "R4C4=2", "R6C5=3", "R0C1=6", "R2C1=4", "R2C8=1", "R6C2=6", "R0C2=2", "R0C6=4", "R0C7=9", "R3C1=7", "R7C7=4", "R2C6=7", "R7C5=6", "R8C0=4", "R3C7=2", "R6C4=4", "R8C5=2", "R1C7=3", "R4C0=1" ]
999,918
703001400000200810000436000500000082210007005400008670920013704006050030001694050
753981426694275813182436597567149382218367945439528671925813764846752139371694258
backtracking
[ "R5C1=3", "R2C2=2", "R2C7=9", "R6C3=8", "R2C0=1", "R7C5=2", "R3C5=9", "R5C8=1", "R3C3=1", "R4C2=8", "R7C1=4", "R8C0=3", "R3C2=7", "R3C6=3", "R5C4=2", "R5C2=9", "R2C6=5", "R7C6=1", "R6C2=5", "R1C4=7", "R1C0=6", "R7C3=7", "R6C7=6", "R4C7=4", "R2C1=8", "R3C4=4", "R3C1=6", "R0C1=5", "R0C3=9", "R0C7=2", "R0C4=8", "R1C8=3", "R5C3=5", "R2C8=7", "R1C1=9", "R1C2=4", "R4C3=3", "R4C4=6", "R7C0=8", "R7C8=9", "R4C6=9", "R8C8=8", "R8C6=2", "R8C1=7", "R1C5=5", "R0C8=6" ]
999,919
007082090001400000280751000004290003600500712000006500010004306030000087902300450
347682195561439278289751634154297863698543712723816549815974326436125987972368451
backtracking
[ "R5C4=1", "R2C8=4", "R1C8=8", "R3C0=1", "R2C7=3", "R5C7=4", "R7C5=5", "R5C8=9", "R4C5=3", "R7C3=1", "R0C0=3", "R1C5=9", "R3C6=8", "R3C7=6", "R6C3=9", "R8C8=1", "R6C0=8", "R4C4=4", "R1C7=7", "R7C6=9", "R3C5=7", "R8C5=8", "R6C4=7", "R2C6=6", "R6C2=5", "R7C2=6", "R7C0=4", "R0C8=5", "R1C6=2", "R3C1=5", "R1C1=6", "R7C4=2", "R1C4=3", "R5C0=7", "R8C4=6", "R2C2=9", "R4C2=8", "R5C1=2", "R0C6=1", "R5C2=3", "R5C3=8", "R0C1=4", "R4C1=9", "R6C7=2", "R0C3=6", "R1C0=5", "R8C1=7" ]
999,920
700504300085060007000001004002800931900027060006150800604900000120008509030070200
761594328485263197293781654572846931918327465346159872654912783127638549839475216
constraint_programming
[ "R1C5=3", "R0C8=8", "R5C1=4", "R8C5=5", "R0C2=1", "R8C0=8", "R6C4=1", "R8C7=1", "R6C5=2", "R4C6=4", "R2C4=8", "R8C2=9", "R4C3=3", "R6C7=8", "R2C1=9", "R0C4=9", "R2C7=5", "R1C7=9", "R3C0=5", "R3C4=4", "R7C2=7", "R7C4=3", "R0C7=2", "R3C1=7", "R5C7=7", "R4C8=5", "R3C5=6", "R8C3=4", "R6C6=7", "R4C2=8", "R2C2=3", "R8C8=6", "R0C1=6", "R5C8=2", "R5C5=9", "R2C0=2", "R6C8=3", "R2C6=6", "R1C0=4", "R6C1=5", "R5C0=3", "R4C1=1", "R7C7=4", "R2C3=7", "R1C6=1", "R1C3=2", "R7C3=6" ]
999,921
001406000403000050628305900200700000570080600000049100960200340000007068380010507
751496823493821756628375914219763485574182639836549172967258341145937268382614597
constraint_programming
[ "R0C4=9", "R3C6=4", "R7C4=3", "R0C1=5", "R8C2=2", "R1C4=2", "R7C2=5", "R5C1=3", "R6C2=7", "R0C8=3", "R1C8=6", "R1C3=8", "R2C8=4", "R5C0=8", "R4C8=9", "R5C7=7", "R6C4=5", "R1C5=1", "R4C7=3", "R3C8=5", "R3C5=3", "R0C7=2", "R3C7=8", "R1C1=9", "R6C5=8", "R7C1=4", "R7C6=2", "R4C5=2", "R8C7=9", "R3C2=9", "R6C8=1", "R4C3=1", "R2C7=1", "R3C1=1", "R2C4=7", "R5C3=5", "R7C3=9", "R5C8=2", "R5C2=6", "R8C3=6", "R7C0=1", "R0C0=7", "R8C5=4", "R4C2=4", "R3C4=6", "R1C6=7", "R0C6=8" ]
999,922
078005006400300010350024000010050009039070020600400180007230060060001803000009074
278915346496387512351624798714852639839176425625493187547238961962741853183569274
backtracking
[ "R0C3=9", "R5C2=5", "R1C8=2", "R4C6=4", "R0C4=1", "R7C0=9", "R6C6=9", "R2C2=1", "R8C4=6", "R8C3=5", "R7C7=5", "R1C4=8", "R4C8=5", "R5C8=7", "R7C3=7", "R3C6=6", "R5C1=2", "R2C6=7", "R1C2=6", "R6C1=4", "R2C7=9", "R5C4=9", "R1C6=5", "R3C0=7", "R6C8=1", "R0C7=4", "R3C3=8", "R7C4=4", "R0C6=3", "R8C6=2", "R4C3=1", "R1C1=9", "R8C2=3", "R1C5=7", "R7C2=2", "R6C0=5", "R5C5=3", "R6C5=8", "R2C8=8", "R0C0=2", "R3C5=2", "R3C7=3", "R3C2=4", "R2C3=6", "R8C0=1", "R4C0=8", "R4C5=6", "R8C1=8" ]
999,923
000030925000004010700800003305207690816050700290000001600543000100000500009076284
468731925953624817721895463345217698816359742297468351682543179174982536539176284
constraint_programming
[ "R6C2=2", "R8C1=3", "R6C7=7", "R7C1=7", "R5C5=8", "R6C1=8", "R4C8=2", "R7C2=4", "R5C2=7", "R5C3=4", "R4C3=3", "R0C1=6", "R5C7=5", "R1C1=5", "R8C0=5", "R3C4=1", "R1C3=6", "R7C4=8", "R5C6=3", "R7C3=9", "R7C7=3", "R1C2=3", "R2C4=9", "R7C8=6", "R6C6=1", "R1C0=9", "R5C4=6", "R0C5=1", "R0C3=7", "R6C8=9", "R0C0=4", "R3C1=4", "R3C8=8", "R1C8=7", "R1C4=2", "R8C3=1", "R1C6=8", "R2C1=2", "R7C5=2", "R0C2=8", "R2C7=6", "R2C5=5", "R4C5=9", "R2C2=1", "R2C6=4", "R4C7=4" ]
999,924
970100825010400700605000003003250000106080040250000089000004930800760100041803060
974136825318425796625978413483259671196387542257641389762514938839762154541893267
backtracking
[ "R8C6=2", "R2C5=8", "R7C5=2", "R3C7=7", "R3C5=9", "R7C2=9", "R6C0=7", "R6C2=2", "R4C8=2", "R7C8=4", "R2C1=2", "R1C2=8", "R1C8=6", "R3C0=4", "R6C8=8", "R4C3=3", "R3C6=6", "R1C0=3", "R8C8=7", "R5C3=6", "R4C6=5", "R2C4=7", "R4C5=7", "R1C4=2", "R3C8=1", "R6C3=5", "R2C6=4", "R8C4=9", "R1C5=5", "R8C0=5", "R2C3=9", "R6C4=1", "R0C2=4", "R5C5=1", "R5C4=4", "R0C4=3", "R0C5=6", "R2C7=1", "R3C1=8", "R1C7=9", "R5C2=7", "R6C1=6", "R5C6=3", "R7C1=3", "R4C1=9", "R7C7=5" ]
999,925
400200070089000300003950408000742005010006032000310690005080007002100060060004819
451238976289467351673951428936742185514896732728315694195683247842179563367524819
constraint_programming
[ "R7C4=7", "R3C6=1", "R5C8=4", "R4C0=5", "R5C0=7", "R1C8=1", "R4C3=8", "R3C7=8", "R6C1=9", "R0C2=1", "R1C7=5", "R2C7=2", "R0C4=3", "R8C0=3", "R7C5=9", "R2C0=6", "R6C0=1", "R1C5=7", "R0C6=9", "R4C2=4", "R6C5=3", "R8C4=2", "R7C1=4", "R6C7=4", "R7C0=8", "R0C5=8", "R2C5=1", "R5C5=5", "R0C1=5", "R1C0=2", "R5C2=8", "R6C6=2", "R1C4=6", "R3C1=3", "R4C4=9", "R3C0=9", "R2C1=7", "R5C1=2", "R8C2=7", "R7C8=3", "R0C8=6", "R3C2=6", "R8C3=5", "R1C3=4", "R6C3=6", "R7C6=5", "R4C6=7" ]
999,926
010809300000506028007003001300601804004200500070090060700048000620130000081000950
216879345943516728857423691392651874164287539578394162735948216629135487481762953
backtracking
[ "R2C7=9", "R6C1=3", "R0C4=7", "R7C8=7", "R8C8=3", "R7C7=8", "R2C3=4", "R5C3=3", "R7C5=5", "R4C4=8", "R1C6=7", "R1C1=4", "R7C2=9", "R4C7=3", "R5C8=2", "R6C6=2", "R1C0=9", "R6C3=9", "R2C6=6", "R3C7=7", "R7C6=4", "R4C5=7", "R4C0=1", "R2C0=8", "R6C2=5", "R4C8=9", "R6C7=1", "R2C4=2", "R5C0=5", "R3C4=5", "R0C0=2", "R3C1=9", "R8C0=4", "R5C2=8", "R5C5=4", "R5C6=1", "R2C1=5", "R0C8=5", "R8C5=2", "R0C7=4", "R8C4=6", "R3C2=2", "R0C2=6", "R6C8=6", "R1C4=1", "R1C2=3", "R8C3=7", "R4C1=6" ]
999,927
090000801020040060507008040000175309078630004005000020010054002200390005300060190
493726851821543967567918243642175389978632514135489726719854632286391475354267198
backtracking
[ "R0C4=2", "R3C1=4", "R8C5=7", "R6C6=6", "R2C4=1", "R0C2=3", "R4C5=2", "R6C3=8", "R8C2=4", "R1C3=5", "R1C2=1", "R3C2=2", "R1C5=3", "R6C2=9", "R4C7=1", "R6C7=3", "R7C6=4", "R5C6=7", "R2C1=6", "R0C7=5", "R7C2=6", "R5C5=9", "R5C3=4", "R1C6=9", "R8C1=5", "R3C0=6", "R7C5=1", "R2C8=3", "R7C7=7", "R0C3=7", "R3C7=8", "R5C4=8", "R1C0=8", "R1C8=7", "R2C6=2", "R7C1=8", "R5C0=1", "R4C0=9", "R2C3=9", "R6C0=7", "R8C3=2", "R4C6=5", "R0C0=4", "R0C5=6", "R5C1=3", "R8C8=8", "R5C8=6" ]
999,928
070300460023601500000904038600007005005039002090050100056000010704008009982100700
879325461423681597561974238638217945145839672297456183356792814714568329982143756
backtracking
[ "R2C0=5", "R0C5=5", "R8C7=5", "R2C4=7", "R1C4=8", "R6C6=8", "R3C4=1", "R6C0=3", "R4C0=1", "R3C3=2", "R7C3=5", "R7C6=3", "R3C2=8", "R1C0=4", "R4C7=7", "R8C5=3", "R0C4=2", "R7C1=1", "R6C8=4", "R2C1=6", "R8C8=6", "R8C4=4", "R1C7=9", "R5C7=8", "R2C2=1", "R5C8=3", "R0C0=8", "R6C5=2", "R3C1=3", "R6C4=9", "R1C8=7", "R7C4=6", "R5C3=4", "R5C5=6", "R5C0=2", "R7C7=2", "R4C1=4", "R3C6=9", "R2C6=2", "R0C2=9", "R3C7=4", "R4C6=6", "R5C2=7", "R6C3=7", "R0C8=1", "R4C3=8" ]
999,929
020409003780000005000768400000040052030005080067020190250010700809300010106000200
621459873784231965395768421918647352432195687567823194253916748849372516176584239
backtracking
[ "R1C4=3", "R1C2=4", "R2C1=9", "R3C1=1", "R4C3=1", "R0C7=7", "R0C4=5", "R6C8=8", "R6C3=9", "R3C2=8", "R8C1=7", "R6C2=3", "R7C5=2", "R2C7=2", "R8C8=9", "R1C5=1", "R1C6=9", "R1C7=6", "R6C7=4", "R2C2=5", "R7C4=7", "R4C6=6", "R3C5=7", "R5C3=8", "R7C6=5", "R0C0=6", "R4C0=4", "R5C0=5", "R7C1=4", "R3C6=3", "R4C2=2", "R4C4=9", "R4C8=7", "R8C7=3", "R5C5=3", "R0C6=8", "R7C8=6", "R8C5=4", "R3C0=9", "R1C3=2", "R2C0=3", "R6C5=6", "R5C8=4", "R3C3=6", "R0C2=1", "R2C8=1", "R8C4=8", "R8C3=5" ]
999,930
006001080850600300901024570100000700324000018000090024000017000095308000407050002
746531289852679341931824576169482753324765918578193624683217495295348167417956832
constraint_programming
[ "R7C7=6", "R3C4=8", "R5C6=6", "R5C5=3", "R3C2=9", "R5C2=8", "R3C7=5", "R4C6=9", "R1C2=2", "R4C3=7", "R6C2=3", "R0C0=7", "R0C8=9", "R5C1=7", "R6C3=2", "R6C6=4", "R4C5=5", "R6C7=9", "R8C7=3", "R2C8=6", "R7C6=1", "R0C6=2", "R4C4=6", "R1C8=1", "R5C0=5", "R3C8=3", "R8C6=8", "R8C1=1", "R7C8=7", "R3C1=6", "R5C3=1", "R1C5=9", "R3C5=2", "R8C3=9", "R8C5=6", "R3C3=4", "R0C4=3", "R1C4=7", "R0C3=5", "R1C7=4", "R6C8=5", "R2C1=3", "R6C0=6", "R7C0=2", "R2C3=8", "R7C4=4", "R0C1=4", "R6C1=8" ]
999,931
500090200008001057640000080400610320003500906090007001000085700010300004829074030
571498263938261457642753189457619328183542976296837541364985712715326894829174635
constraint_programming
[ "R0C2=1", "R5C7=4", "R7C4=2", "R0C3=4", "R5C2=6", "R1C4=6", "R5C0=2", "R4C5=2", "R4C4=4", "R3C8=8", "R0C7=6", "R5C4=3", "R4C0=1", "R4C7=7", "R6C8=2", "R7C6=8", "R7C0=7", "R0C5=8", "R8C3=1", "R1C0=9", "R6C3=9", "R6C0=3", "R8C6=6", "R6C2=4", "R7C7=9", "R2C5=3", "R2C3=7", "R6C7=1", "R3C2=7", "R2C2=2", "R6C1=6", "R7C2=5", "R1C3=2", "R2C4=5", "R4C1=8", "R0C1=7", "R5C6=5", "R0C8=3", "R3C1=5", "R2C6=1", "R1C1=3", "R7C5=6", "R5C3=8", "R8C8=5", "R3C5=9", "R2C8=9", "R1C6=4" ]
999,932
500000012004100003900046008000300094040589300103020600000002007058790020067813500
576938412824175963931246758785361294642589371193427685419652837358794126267813549
backtracking
[ "R2C1=3", "R4C8=1", "R6C4=5", "R0C2=6", "R5C3=4", "R0C6=4", "R0C5=8", "R7C5=4", "R6C3=6", "R6C1=1", "R2C6=7", "R1C6=9", "R3C2=5", "R1C0=8", "R1C7=6", "R1C4=7", "R4C2=2", "R1C5=5", "R0C1=7", "R7C6=1", "R6C7=3", "R5C5=7", "R5C8=5", "R6C0=4", "R2C2=1", "R6C6=8", "R3C0=7", "R1C1=2", "R3C5=1", "R3C1=8", "R4C7=7", "R0C3=9", "R7C0=3", "R6C2=9", "R0C4=3", "R8C7=4", "R5C1=9", "R5C7=8", "R8C8=9", "R2C7=5", "R4C0=6", "R3C4=6", "R8C0=2", "R7C8=6", "R3C6=2", "R2C3=2" ]
999,933
001000003700802904080090650030008040600429070000050108053010400020000037040065020
291546783765832914384791652539178246618429375472653198853217469126984537947365821
constraint_programming
[ "R5C2=2", "R5C1=7", "R4C2=8", "R3C3=1", "R0C1=9", "R2C2=4", "R8C6=8", "R2C5=1", "R7C5=4", "R7C0=1", "R8C8=1", "R4C6=3", "R5C0=4", "R6C0=8", "R2C0=3", "R7C4=8", "R0C3=5", "R1C7=1", "R6C5=7", "R0C6=7", "R7C2=6", "R1C4=3", "R6C3=2", "R3C0=5", "R0C0=2", "R0C5=6", "R3C4=7", "R6C8=9", "R8C2=7", "R5C5=3", "R3C2=9", "R0C7=8", "R3C8=6", "R1C2=5", "R7C3=9", "R7C6=5", "R2C8=2", "R2C3=7", "R5C7=9", "R5C3=6", "R4C1=1", "R0C4=4", "R1C1=6", "R4C8=5", "R8C0=9", "R3C6=2", "R8C3=3", "R6C7=6" ]
999,934
008000003004026870710040025036095040500203000890000500000061700900087006605900100
268759413354126879719348625136895247547213968892674531483561792921487356675932184
backtracking
[ "R6C2=3", "R5C4=7", "R6C8=2", "R3C0=1", "R7C6=3", "R6C0=4", "R6C3=5", "R7C1=2", "R7C7=5", "R6C1=8", "R0C3=7", "R2C5=8", "R8C1=7", "R3C3=8", "R1C1=5", "R4C6=9", "R3C6=2", "R8C7=8", "R4C1=4", "R8C5=2", "R6C7=9", "R1C8=9", "R4C8=8", "R4C4=1", "R7C3=4", "R0C6=4", "R4C7=6", "R5C5=4", "R5C7=3", "R7C2=1", "R0C7=1", "R0C0=2", "R8C4=3", "R0C4=5", "R2C6=6", "R3C8=7", "R0C5=9", "R4C2=7", "R5C8=1", "R8C8=4", "R5C2=2", "R1C0=3", "R2C2=9", "R1C3=1", "R2C3=3", "R0C1=6", "R5C3=6" ]
999,935
008001230500708001930040000300004500160000802094180600000060954600000008052403007
478951236526738491931246785387624519165379842294185673713862954649517328852493167
backtracking
[ "R4C2=5", "R5C7=7", "R7C3=5", "R5C0=2", "R3C7=1", "R1C4=3", "R3C3=6", "R3C4=2", "R7C1=4", "R8C0=8", "R5C8=3", "R4C5=9", "R2C6=7", "R6C5=2", "R1C2=6", "R2C2=1", "R0C0=4", "R3C8=9", "R2C8=5", "R7C6=3", "R0C3=9", "R1C7=9", "R6C2=3", "R3C1=8", "R8C4=9", "R7C4=1", "R6C1=1", "R7C5=7", "R2C3=2", "R0C1=7", "R3C2=7", "R0C8=6", "R1C6=4", "R7C2=9", "R6C3=8", "R7C7=2", "R8C6=1", "R4C4=7", "R8C7=6", "R5C5=5", "R0C4=5", "R2C5=6", "R1C1=2", "R6C0=7", "R2C7=8", "R4C7=4", "R4C3=3" ]
999,936
070904260302570000000200510098302100004010000200000658087000090005746020100030040
571984263362571489849263517698352174754618932213497658487125396935746821126839745
backtracking
[ "R6C4=2", "R8C5=9", "R6C8=6", "R3C8=4", "R0C4=8", "R8C1=2", "R7C6=8", "R2C0=8", "R3C0=6", "R5C4=9", "R1C6=4", "R2C1=4", "R0C0=5", "R7C1=3", "R2C5=3", "R3C4=5", "R2C4=6", "R6C5=5", "R4C6=9", "R4C8=2", "R4C5=8", "R6C6=3", "R2C2=9", "R4C0=7", "R1C8=9", "R1C1=6", "R8C3=8", "R1C5=1", "R3C7=7", "R2C8=7", "R8C8=5", "R4C1=5", "R4C7=3", "R6C3=1", "R5C3=4", "R4C3=6", "R6C0=4", "R8C2=6", "R1C7=8", "R7C8=1", "R0C8=3", "R8C6=7", "R5C5=7", "R5C2=3", "R0C2=1", "R5C1=1", "R7C0=9" ]
999,937
050109000090030205032400870700000040401200006000080301008001060500670003210050090
857129634694837215132465879723516948481293756965784321378941562549672183216358497
backtracking
[ "R6C0=3", "R5C3=7", "R0C6=6", "R7C2=9", "R3C6=9", "R7C6=1", "R8C3=3", "R3C4=1", "R7C1=4", "R4C1=8", "R3C8=8", "R1C0=6", "R2C8=9", "R3C3=5", "R0C8=4", "R3C1=2", "R1C5=7", "R5C2=5", "R1C7=1", "R8C8=7", "R2C4=6", "R7C7=8", "R6C3=9", "R5C5=4", "R6C8=2", "R2C5=5", "R5C7=2", "R3C2=3", "R3C5=6", "R0C0=8", "R6C1=7", "R0C4=2", "R8C2=6", "R4C5=3", "R4C6=7", "R6C6=5", "R1C3=8", "R2C0=1", "R6C4=4", "R4C7=5", "R5C1=6", "R4C4=9", "R0C7=3", "R8C6=4", "R5C0=9", "R0C2=7", "R7C5=2", "R1C2=4", "R8C5=8" ]
999,938
041036080000000005307482009000913048004700502700000060400001000003807120502090006
941536287826179435357482619265913748134768592789245361478621953693857124512394876
backtracking
[ "R5C4=4", "R4C5=8", "R6C8=3", "R5C2=9", "R1C6=4", "R7C8=4", "R2C6=6", "R3C1=6", "R4C1=3", "R7C1=9", "R6C3=6", "R2C1=5", "R5C6=3", "R6C2=8", "R6C4=2", "R1C0=8", "R5C8=1", "R6C7=5", "R8C7=7", "R5C1=8", "R8C6=8", "R5C3=2", "R4C7=9", "R0C3=5", "R3C2=5", "R5C5=5", "R1C3=1", "R1C4=7", "R1C2=6", "R1C1=2", "R6C1=7", "R0C0=9", "R7C0=6", "R3C6=7", "R1C5=9", "R1C7=3", "R6C6=9", "R4C0=1", "R3C0=2", "R4C4=6", "R7C4=5", "R8C1=1", "R0C8=7", "R8C3=3", "R8C5=4", "R0C6=2", "R2C7=1" ]
999,939
000000000008429060670150090010070356203000400054008009300900015020010070005067203
941786532538429761672153894819274356263591487754638129387942615426315978195867243
backtracking
[ "R7C2=6", "R2C2=2", "R0C3=7", "R5C6=1", "R1C0=5", "R4C5=1", "R6C5=2", "R0C8=2", "R6C2=7", "R3C5=4", "R8C7=4", "R3C2=9", "R2C6=8", "R1C1=3", "R4C4=9", "R8C3=8", "R6C4=4", "R7C0=4", "R0C0=9", "R4C1=6", "R5C7=2", "R0C2=1", "R1C6=7", "R0C6=5", "R7C6=9", "R2C8=4", "R5C4=3", "R0C7=3", "R2C5=3", "R0C1=4", "R8C0=1", "R4C3=5", "R7C5=5", "R3C0=8", "R4C8=7", "R0C4=8", "R7C8=8", "R6C1=8", "R5C3=6", "R5C0=7", "R0C5=6", "R3C3=2", "R6C6=6", "R7C3=3", "R4C7=8", "R8C1=9", "R1C8=1" ]
999,940
004501009190020000680700204009000640000385000820006730000000070040090156310807002
274561389193428567685739214539172648467385921821946735952614873748293156316857492
backtracking
[ "R2C2=5", "R1C8=7", "R7C2=8", "R1C3=4", "R6C8=3", "R6C3=6", "R0C7=8", "R3C8=8", "R0C0=2", "R6C1=5", "R1C6=5", "R3C1=3", "R2C5=9", "R4C8=1", "R7C0=7", "R5C8=5", "R0C1=7", "R5C3=9", "R6C6=8", "R8C2=6", "R8C6=4", "R5C4=4", "R0C6=3", "R3C0=5", "R7C5=3", "R7C3=2", "R6C5=4", "R4C7=2", "R5C2=1", "R6C0=9", "R8C7=9", "R1C7=6", "R2C7=1", "R3C5=2", "R4C2=7", "R4C0=4", "R6C4=1", "R4C1=6", "R6C2=2", "R3C3=1", "R2C4=3", "R1C5=8", "R0C4=6", "R1C2=3", "R4C6=9", "R8C4=5", "R3C4=7" ]
999,941
001036094002080015000507800006000500500002043437800600080604009073001000009000276
851236794762489315394517862926143587518762943437895621285674139673921458149358276
constraint_programming
[ "R0C3=2", "R6C7=3", "R2C7=6", "R1C5=9", "R6C0=2", "R3C4=4", "R6C4=7", "R2C4=1", "R3C5=3", "R4C6=9", "R6C2=5", "R7C0=6", "R6C6=1", "R0C6=7", "R5C8=1", "R2C0=3", "R1C1=6", "R0C0=8", "R5C7=2", "R7C6=4", "R8C1=4", "R2C1=9", "R3C7=8", "R4C4=6", "R3C0=9", "R5C4=9", "R4C1=1", "R8C5=8", "R7C7=5", "R8C4=5", "R1C0=7", "R1C6=3", "R2C2=4", "R7C4=2", "R5C5=5", "R3C1=2", "R8C3=3", "R4C3=7", "R8C0=1", "R0C1=5", "R4C2=8", "R1C3=4", "R7C8=8", "R7C3=9", "R3C8=7", "R3C3=1", "R2C8=2" ]
999,942
903602000800400027010050400501060000200004619090007083300985004006013078000000200
943672851865491327712358496531869742278534619694127583327985164456213978189746235
backtracking
[ "R5C2=4", "R3C7=4", "R2C8=6", "R0C7=5", "R8C4=4", "R0C4=7", "R8C0=1", "R6C1=2", "R3C6=7", "R8C5=6", "R1C2=5", "R8C1=8", "R3C5=9", "R4C4=3", "R6C7=6", "R0C1=4", "R5C0=6", "R0C6=8", "R5C6=5", "R4C2=8", "R8C8=5", "R8C2=9", "R2C3=3", "R1C4=9", "R4C1=7", "R1C1=6", "R1C6=3", "R8C3=7", "R2C2=2", "R6C2=7", "R7C0=4", "R3C8=2", "R7C6=9", "R2C7=9", "R7C1=5", "R4C3=5", "R3C3=8", "R0C8=1", "R6C6=1", "R5C4=2", "R7C3=2", "R1C5=1", "R5C3=1", "R8C7=3", "R2C5=8", "R3C1=3", "R2C0=7" ]
999,943
003050900000700850609008047004002000960031008028900705000000010716405002000023609
873254961241769853659318247534872196967531428128946735392687514716495382485123679
constraint_programming
[ "R5C7=3", "R3C7=9", "R4C7=2", "R6C1=9", "R1C0=2", "R4C3=5", "R3C8=6", "R2C4=1", "R7C4=9", "R2C6=2", "R3C6=1", "R2C3=3", "R4C6=4", "R0C3=2", "R1C2=1", "R8C0=4", "R1C8=3", "R8C2=5", "R1C1=4", "R1C4=6", "R0C1=7", "R0C5=4", "R5C5=6", "R3C4=7", "R6C3=6", "R7C7=8", "R4C2=7", "R6C2=2", "R0C7=6", "R1C5=9", "R8C1=8", "R0C0=8", "R8C3=1", "R5C0=1", "R6C0=3", "R2C1=5", "R8C7=7", "R3C1=3", "R6C4=8", "R7C6=3", "R5C4=4", "R6C5=7", "R3C3=8", "R6C6=5", "R3C0=5", "R0C8=1", "R6C8=4" ]
999,944
900000400500219000023080070004700298001000003090300004052007060070004980030162500
918673425547219836623485179364751298281946753795328614452897361176534982839162547
constraint_programming
[ "R3C0=3", "R3C1=6", "R7C4=3", "R4C7=5", "R5C0=7", "R1C7=3", "R8C7=4", "R6C6=3", "R2C5=5", "R6C8=1", "R7C3=5", "R5C7=1", "R4C3=9", "R0C5=3", "R6C0=4", "R0C7=2", "R2C6=1", "R4C4=4", "R3C4=5", "R4C0=2", "R0C3=6", "R2C3=4", "R7C8=2", "R4C5=6", "R4C6=7", "R7C2=6", "R5C4=2", "R0C1=1", "R1C6=8", "R2C8=9", "R5C6=6", "R5C2=5", "R4C1=8", "R3C5=1", "R2C0=6", "R0C2=8", "R5C5=8", "R1C1=4", "R0C4=7", "R1C8=6", "R6C4=9", "R8C8=7", "R6C3=8", "R8C2=9", "R8C0=8", "R1C2=7", "R7C0=1", "R0C8=5" ]
999,945
000018300000540090587000006304005780006800010800390200090023450050006007701000000
249618375163547892587932146314265789926874513875391264698723451452186937731459628
backtracking
[ "R1C0=1", "R3C1=1", "R8C7=2", "R6C3=7", "R2C4=3", "R4C5=4", "R7C7=3", "R8C5=9", "R8C1=3", "R0C1=4", "R8C8=8", "R3C8=9", "R5C5=1", "R3C4=6", "R4C6=5", "R7C4=8", "R5C8=4", "R8C6=6", "R1C6=8", "R2C6=1", "R1C5=7", "R3C3=2", "R0C8=5", "R1C2=3", "R1C1=6", "R4C0=9", "R5C7=6", "R0C2=9", "R4C4=7", "R4C8=3", "R8C4=5", "R6C2=8", "R2C5=2", "R7C3=1", "R0C3=6", "R5C1=7", "R8C3=4", "R6C0=6", "R1C8=2", "R7C0=4", "R2C3=9", "R7C6=9", "R6C8=1", "R0C7=7", "R0C0=2", "R4C1=2", "R7C2=2", "R2C7=4", "R5C2=5" ]
999,946
009001038305670200010900004700004010020800005500390480006080103000056020490000700
679241538345678291812935674783564912924817365561392487256789143137456829498123756
constraint_programming
[ "R1C1=4", "R7C1=3", "R2C5=5", "R5C1=6", "R3C6=9", "R1C5=8", "R2C6=6", "R6C5=9", "R7C2=7", "R8C5=3", "R8C7=5", "R6C3=7", "R1C8=1", "R4C4=1", "R7C6=8", "R0C1=7", "R3C1=8", "R6C0=2", "R8C2=8", "R6C1=5", "R4C0=9", "R0C4=4", "R1C7=9", "R4C2=4", "R7C0=1", "R8C3=1", "R3C4=6", "R7C3=4", "R5C8=7", "R0C3=2", "R5C2=1", "R8C8=6", "R6C7=4", "R4C6=3", "R0C6=5", "R3C3=5", "R3C8=2", "R8C4=2", "R2C2=2", "R0C0=6", "R5C5=2", "R2C0=8", "R3C2=3", "R4C5=7", "R2C7=7", "R2C4=3", "R7C8=9", "R4C7=6" ]
999,947
675004300000070080020003406007020108400160005190800000200310060016900000048000290
675284319934671582821593476567429138483167925192835647259318764716942853348756291
backtracking
[ "R1C5=1", "R6C2=9", "R4C1=8", "R5C5=5", "R7C0=7", "R3C7=3", "R6C1=5", "R1C0=9", "R6C5=8", "R4C2=3", "R8C0=3", "R2C3=5", "R3C0=5", "R1C1=3", "R3C1=6", "R7C5=2", "R8C3=7", "R1C8=2", "R7C7=5", "R2C7=7", "R8C8=1", "R3C5=9", "R0C4=8", "R4C5=7", "R3C3=4", "R5C2=2", "R7C6=8", "R5C6=6", "R0C3=2", "R0C8=9", "R5C8=7", "R4C6=9", "R0C7=1", "R6C8=4", "R7C8=3", "R1C2=4", "R2C0=8", "R1C3=6", "R7C4=4", "R4C7=2", "R2C2=1", "R2C4=9", "R5C7=4", "R8C5=6", "R8C4=5", "R1C6=5", "R6C6=7", "R5C4=3" ]
999,948
000070005714003080056900030985360400000107800000040602800204070400050000007681200
398476125714523986256918734985362417642197853173845692869234571421759368537681249
backtracking
[ "R4C2=2", "R3C8=7", "R6C4=3", "R1C4=2", "R5C0=1", "R7C5=9", "R0C3=4", "R8C0=5", "R1C6=9", "R0C0=3", "R5C3=8", "R2C4=1", "R7C7=6", "R2C5=8", "R8C7=4", "R2C0=2", "R8C1=3", "R2C6=7", "R0C6=1", "R0C2=8", "R4C1=4", "R6C1=6", "R0C7=2", "R8C8=9", "R4C0=6", "R5C1=7", "R5C7=9", "R3C5=2", "R4C4=9", "R3C7=1", "R5C2=3", "R5C5=5", "R1C8=6", "R4C7=5", "R4C8=3", "R0C1=9", "R7C1=2", "R6C8=1", "R7C6=3", "R6C6=5", "R6C2=9", "R7C2=1", "R7C3=7", "R0C5=6", "R7C8=8", "R1C3=5", "R2C8=4" ]
999,949
500002930007040060010006048003700000001095700080400250905064000230100004060080390
546812937897543162312976548653728419421695783789431256975364821238159674164287395
backtracking
[ "R8C2=4", "R2C4=7", "R6C7=2", "R6C6=8", "R3C7=1", "R6C1=7", "R2C0=3", "R2C2=2", "R8C8=5", "R8C3=2", "R5C4=3", "R1C6=1", "R3C5=8", "R1C1=9", "R1C0=8", "R3C6=4", "R6C3=3", "R0C1=4", "R3C8=9", "R3C4=2", "R7C4=5", "R5C2=9", "R6C8=1", "R4C1=2", "R4C0=4", "R2C3=9", "R1C8=2", "R8C0=1", "R5C5=1", "R4C3=6", "R3C1=5", "R2C6=5", "R3C0=6", "R4C7=8", "R1C5=3", "R7C2=8", "R8C5=7", "R7C6=6", "R0C3=8", "R7C7=7", "R5C0=7", "R1C3=5", "R0C8=7", "R4C8=3", "R7C5=9", "R0C4=1", "R0C2=6", "R5C8=6" ]
999,950
007050001030170906500008300801063007900200000000094600003407800005920040160800020
627359481438172956519648372841563297976281534352794618293417865785926143164835729
constraint_programming
[ "R4C8=4", "R2C7=7", "R0C0=6", "R6C7=6", "R7C5=6", "R5C2=2", "R3C7=9", "R7C0=7", "R0C7=8", "R7C8=3", "R2C1=1", "R3C3=5", "R8C2=4", "R5C3=7", "R4C1=7", "R5C8=8", "R3C6=2", "R0C3=3", "R4C4=8", "R4C7=3", "R1C7=5", "R7C6=1", "R5C1=5", "R4C6=5", "R6C1=9", "R2C4=4", "R4C2=6", "R0C1=2", "R2C8=2", "R2C2=9", "R6C4=1", "R2C3=6", "R0C6=4", "R1C0=4", "R8C4=3", "R7C1=8", "R6C0=2", "R4C5=1", "R5C0=3", "R3C1=4", "R8C8=9", "R6C8=5", "R8C6=7", "R1C5=2", "R5C7=1", "R8C5=5", "R0C5=9", "R1C2=8" ]
999,951
400003000200710003609020057000080965105004800080206000090000000020040301317095028
471563289258719643639428157742381965165974832983256714894132576526847391317695428
backtracking
[ "R7C0=5", "R5C2=3", "R7C2=6", "R1C7=4", "R8C6=4", "R0C2=1", "R6C4=3", "R5C6=7", "R6C8=6", "R0C6=2", "R3C1=4", "R5C8=4", "R3C2=2", "R7C5=7", "R4C8=2", "R6C7=7", "R6C6=5", "R4C4=7", "R2C6=1", "R6C0=8", "R0C4=6", "R0C1=7", "R7C7=9", "R1C1=5", "R2C3=4", "R3C3=3", "R1C2=8", "R8C3=6", "R5C4=5", "R4C3=9", "R6C3=1", "R2C1=3", "R3C5=1", "R5C0=9", "R1C6=6", "R7C3=8", "R6C2=4", "R4C7=3", "R5C7=1", "R2C5=8", "R0C7=8", "R0C8=9", "R4C1=6", "R0C3=5", "R3C0=7", "R1C5=9", "R6C5=2" ]
999,952
500008010020090406700340092030500074070030000064001080050700030000280005001406029
549628317823197456716345892138562974975834261264971583452719638697283145381456729
backtracking
[ "R1C3=1", "R6C2=2", "R1C5=7", "R3C5=2", "R4C3=8", "R5C8=3", "R6C6=6", "R4C6=2", "R6C5=9", "R7C7=4", "R7C0=6", "R3C4=6", "R5C4=7", "R8C0=3", "R4C8=1", "R7C1=9", "R3C0=1", "R6C4=1", "R4C7=6", "R2C1=1", "R0C4=2", "R3C6=9", "R6C0=4", "R8C1=8", "R6C8=8", "R1C7=5", "R4C2=5", "R4C0=9", "R0C8=7", "R7C5=3", "R7C2=7", "R5C0=2", "R0C3=6", "R8C4=5", "R3C2=8", "R2C6=8", "R0C1=4", "R4C5=4", "R0C2=9", "R1C0=8", "R8C6=7", "R5C6=5", "R2C5=5", "R2C2=6", "R5C3=9", "R0C6=3", "R7C6=1", "R1C2=3" ]
999,953
038570064200010070045302009900000087000600401804003020090046730000080000002100095
138579264269814573745362819956421387327698451814753926591246738673985142482137695
backtracking
[ "R3C6=3", "R0C6=2", "R6C0=5", "R5C3=7", "R7C8=2", "R3C4=2", "R1C2=9", "R7C1=7", "R5C4=5", "R6C2=1", "R7C6=1", "R7C3=9", "R5C6=9", "R6C3=2", "R0C5=9", "R4C7=5", "R3C1=5", "R4C4=9", "R8C4=3", "R3C2=6", "R4C1=2", "R8C1=8", "R1C1=6", "R0C0=1", "R7C7=4", "R7C0=6", "R1C6=5", "R2C7=1", "R3C5=1", "R4C5=8", "R4C0=3", "R2C0=7", "R8C0=4", "R1C8=3", "R6C8=8", "R8C6=6", "R4C2=7", "R3C3=4", "R7C2=3", "R8C5=7", "R1C5=4", "R1C3=8", "R5C8=6", "R2C4=6", "R5C1=1", "R7C5=5", "R2C6=8" ]
999,954
000200001004060903738000500006387000000040097200050680980004150600100700007590020
569273841124865973738419562496387215851642397273951684982734156645128739317596428
constraint_programming
[ "R2C5=9", "R3C6=2", "R0C7=4", "R3C7=1", "R1C5=5", "R5C3=9", "R0C2=9", "R5C1=7", "R4C6=3", "R8C6=4", "R3C0=4", "R7C4=2", "R7C2=5", "R4C1=5", "R2C7=6", "R8C8=8", "R0C5=3", "R2C3=4", "R1C3=8", "R5C8=4", "R6C4=3", "R3C1=9", "R5C5=1", "R2C8=2", "R4C5=2", "R6C3=7", "R6C8=6", "R5C2=3", "R0C6=8", "R8C0=3", "R6C2=2", "R0C0=5", "R1C7=7", "R1C1=2", "R3C8=5", "R2C4=1", "R7C8=9", "R4C3=6", "R7C1=4", "R8C5=6", "R4C2=1", "R7C7=3", "R8C1=1", "R7C5=8", "R1C0=1", "R4C0=8", "R0C4=7", "R0C1=6" ]
999,955
840039001002810009030000600091004000300100702020700008070500320004008095010026004
847639251652817439139452687791284563386195742425763918978541326264378195513926874
backtracking
[ "R4C5=5", "R5C5=3", "R7C6=1", "R0C3=6", "R2C8=7", "R2C0=1", "R1C7=3", "R5C6=9", "R1C5=7", "R2C2=9", "R1C6=4", "R1C0=6", "R8C6=8", "R5C2=5", "R8C0=5", "R6C4=4", "R0C7=5", "R6C2=8", "R4C7=4", "R3C6=5", "R5C7=1", "R5C4=6", "R6C0=9", "R6C5=1", "R2C5=2", "R4C4=9", "R3C3=2", "R3C8=3", "R2C4=5", "R0C6=2", "R2C7=8", "R7C3=3", "R8C7=7", "R7C1=6", "R5C0=4", "R8C2=3", "R3C0=7", "R7C4=7", "R7C0=2", "R1C1=5", "R3C4=8", "R0C2=7", "R4C2=6", "R6C8=6", "R3C7=6", "R4C1=8", "R2C3=4", "R8C3=9" ]
999,956
600705020030090870100640000001480205890016300750000000000003409206001008073060500
689735124435192876127648953361487295892516347754329681518273469246951738973864512
constraint_programming
[ "R8C0=9", "R8C7=1", "R2C8=3", "R5C3=3", "R3C0=3", "R7C4=5", "R7C6=7", "R0C4=3", "R1C8=6", "R5C6=6", "R1C2=5", "R8C5=4", "R6C0=5", "R1C3=1", "R5C7=8", "R0C2=9", "R5C2=4", "R2C1=2", "R0C6=1", "R6C3=2", "R3C5=7", "R5C5=9", "R2C5=8", "R6C4=7", "R1C5=2", "R2C2=7", "R7C7=3", "R8C8=2", "R6C7=6", "R5C4=2", "R7C3=9", "R4C3=5", "R2C7=5", "R6C1=1", "R2C6=9", "R0C8=4", "R6C2=8", "R4C2=2", "R4C8=7", "R0C1=8", "R1C0=4", "R4C7=4", "R7C1=4", "R5C8=1", "R3C1=6", "R8C3=8", "R3C7=9" ]
999,957
010607000006010400000840500405700680008593000107000020000058309700060102302009040
514637298826915437973842561495721683268593714137486925641258379789364152352179846
constraint_programming
[ "R4C8=4", "R3C4=2", "R1C8=7", "R6C1=4", "R3C5=1", "R1C5=5", "R4C6=7", "R2C1=7", "R8C3=1", "R6C3=2", "R7C1=8", "R3C1=9", "R7C3=3", "R2C8=1", "R0C6=2", "R0C0=5", "R0C2=4", "R0C8=8", "R2C0=9", "R5C4=8", "R6C0=6", "R6C7=7", "R1C3=9", "R2C2=3", "R0C7=9", "R4C1=6", "R6C2=1", "R3C8=3", "R5C6=9", "R2C5=2", "R7C2=9", "R5C8=5", "R8C1=5", "R0C4=3", "R1C0=8", "R7C5=4", "R4C7=1", "R5C3=4", "R1C1=2", "R5C1=3", "R8C4=7", "R8C6=8", "R8C8=6", "R1C7=3", "R7C7=5", "R4C0=2", "R5C5=6", "R2C7=6" ]
999,958
506030409080007021400000300000005000060021908250860107000100002308400006007609540
516238479983547621472916385831795264764321958259864137645173892398452716127689543
backtracking
[ "R3C8=4", "R5C7=3", "R3C0=8", "R0C5=8", "R2C2=2", "R3C4=9", "R3C1=3", "R4C2=4", "R2C1=7", "R6C4=7", "R8C1=2", "R5C5=4", "R2C3=9", "R8C8=3", "R1C4=4", "R7C7=1", "R6C2=5", "R0C3=2", "R2C5=6", "R2C7=8", "R7C4=5", "R1C6=6", "R3C7=6", "R6C6=8", "R2C8=5", "R7C6=7", "R7C1=9", "R3C3=7", "R4C3=3", "R6C1=4", "R6C7=9", "R2C4=1", "R1C2=3", "R8C0=1", "R6C0=6", "R7C5=2", "R1C0=9", "R6C5=3", "R4C7=5", "R5C2=9", "R1C3=5", "R3C2=1", "R0C7=7", "R8C4=8", "R3C6=2", "R4C0=7", "R0C1=1" ]
999,959
509000023040000060063071800000760410410025000005003900730010650006800090028400700
579684123841392567263571849392768415417925386685143972734219658156837294928456731
backtracking
[ "R3C1=9", "R0C4=8", "R5C7=7", "R0C5=4", "R5C4=4", "R1C4=9", "R8C0=9", "R1C3=3", "R3C8=5", "R2C0=2", "R1C8=7", "R7C8=4", "R1C6=5", "R3C2=2", "R4C2=7", "R4C6=3", "R2C3=5", "R5C1=8", "R6C2=4", "R7C1=5", "R7C5=7", "R2C8=9", "R8C4=5", "R1C0=8", "R2C7=4", "R8C7=3", "R0C1=7", "R1C5=2", "R5C8=2", "R3C0=3", "R4C3=9", "R3C5=8", "R8C5=6", "R4C7=8", "R8C8=1", "R6C8=8", "R7C0=1", "R0C6=1", "R5C0=6", "R6C5=9", "R5C3=1", "R1C2=1", "R7C6=2", "R6C3=2", "R4C8=6", "R7C4=3", "R0C3=6" ]
999,960
070080506230010000080407093054806700120000000300000429000091085605730100000204060
479382516236519874581467293954826731127943658368175429742691385695738142813254967
backtracking
[ "R0C7=1", "R7C5=8", "R1C7=7", "R2C6=2", "R8C8=7", "R8C1=1", "R4C4=4", "R1C3=5", "R0C2=9", "R7C1=9", "R4C6=6", "R7C7=4", "R1C2=6", "R8C0=8", "R0C3=3", "R1C6=8", "R1C5=9", "R4C3=9", "R6C1=4", "R3C0=9", "R0C5=2", "R3C8=1", "R4C7=5", "R2C2=1", "R5C2=8", "R8C6=9", "R8C4=5", "R8C2=3", "R7C8=2", "R0C0=4", "R5C3=1", "R6C6=3", "R3C4=2", "R2C4=6", "R5C4=7", "R2C0=5", "R5C5=5", "R6C3=6", "R6C2=2", "R1C8=4", "R4C5=3", "R4C2=7", "R6C0=7", "R3C7=3", "R4C8=8", "R5C1=6" ]
999,961
750900021000207008604030900000008002019000503042105070400083000981500604006000700
758964321193257468624831957567348192819726543342195876475683219981572634236419785
backtracking
[ "R4C5=6", "R3C2=7", "R4C0=8", "R3C6=1", "R0C6=3", "R4C7=4", "R8C3=4", "R6C1=7", "R3C3=3", "R7C7=3", "R8C8=5", "R8C4=1", "R6C8=9", "R6C6=2", "R5C0=3", "R2C7=5", "R8C5=9", "R2C3=8", "R5C4=9", "R5C8=6", "R8C7=8", "R6C7=1", "R4C4=2", "R1C2=3", "R3C1=6", "R1C0=1", "R1C7=6", "R1C1=9", "R7C4=7", "R4C3=7", "R2C5=1", "R6C3=6", "R6C2=5", "R2C1=2", "R2C8=7", "R8C0=2", "R5C6=8", "R0C4=6", "R7C5=2", "R8C1=3", "R3C4=4", "R0C2=8", "R1C6=4", "R0C5=4", "R1C4=5", "R3C0=5", "R3C7=9" ]
999,962
010200090750003406800070003604080015300900708100000060008120000240300500000607089
413256897759813426862479153694782315325961748187534962978125634246398571531647289
constraint_programming
[ "R4C2=5", "R4C5=1", "R2C3=4", "R6C5=5", "R5C8=2", "R7C8=1", "R6C8=4", "R7C4=9", "R2C5=9", "R1C4=1", "R2C2=2", "R7C7=7", "R6C0=9", "R0C6=8", "R0C5=6", "R5C5=4", "R5C3=5", "R4C1=2", "R3C5=2", "R2C6=1", "R0C8=7", "R3C3=7", "R2C7=5", "R5C2=7", "R6C6=6", "R3C1=9", "R1C3=8", "R1C7=2", "R5C1=8", "R2C1=6", "R6C1=7", "R4C4=6", "R8C6=2", "R8C0=5", "R5C6=9", "R0C0=4", "R8C4=4", "R0C2=3", "R4C7=4", "R0C4=5", "R6C7=3", "R3C6=3", "R8C1=3", "R1C2=9", "R5C4=3", "R7C5=8", "R7C2=6", "R8C2=1" ]
999,963
000670300009241086000039000520000004048300700016000250003080670071000095060020140
154678329739241586682539417527816934948352761316794258493185672271463895865927143
backtracking
[ "R8C5=7", "R1C0=7", "R1C1=3", "R4C5=2", "R3C7=3", "R2C0=6", "R7C3=4", "R0C0=1", "R7C5=3", "R2C7=1", "R3C6=9", "R2C1=8", "R6C1=9", "R2C6=4", "R2C3=5", "R0C1=5", "R4C0=9", "R7C0=2", "R5C5=4", "R7C4=6", "R5C8=8", "R0C7=2", "R4C8=1", "R6C5=5", "R8C2=5", "R6C8=2", "R2C2=2", "R5C4=9", "R1C6=5", "R5C0=3", "R3C5=6", "R3C2=7", "R3C4=1", "R7C6=8", "R0C2=4", "R6C0=4", "R3C3=8", "R2C8=7", "R8C0=8", "R8C8=3", "R0C5=8", "R6C3=1", "R5C3=7", "R4C4=5", "R4C7=6", "R0C8=9", "R8C3=9" ]
999,964
100002300069807052000050460230900570096000000478001000007410090000060000004038625
145692387369847152782153469231986574596374218478521936627415893853269741914738625
backtracking
[ "R8C1=1", "R2C8=9", "R1C4=4", "R4C8=8", "R4C4=7", "R6C6=8", "R1C6=1", "R8C0=9", "R6C1=2", "R3C5=6", "R0C2=5", "R3C8=4", "R0C1=4", "R7C1=5", "R6C5=5", "R4C0=5", "R5C6=9", "R0C7=8", "R5C3=5", "R4C3=3", "R7C2=3", "R2C0=7", "R3C4=8", "R3C2=1", "R1C0=3", "R6C0=6", "R0C4=9", "R7C6=7", "R4C5=4", "R4C7=1", "R0C3=6", "R2C2=2", "R4C6=2", "R2C1=8", "R0C8=7", "R2C5=3", "R7C3=2", "R5C4=2", "R2C3=1", "R7C7=4", "R6C8=3", "R5C7=3", "R5C8=6", "R7C8=1", "R7C0=8", "R8C3=7", "R7C5=9" ]
999,965
032160790005003008109200040800930106006054000000800027300007084064001300020000000
432168795675493218189275643847932156216754839593816427351627984964581372728349561
backtracking
[ "R5C2=3", "R8C5=9", "R3C1=4", "R8C8=1", "R2C6=6", "R6C2=1", "R6C3=6", "R6C6=9", "R7C4=8", "R4C1=1", "R0C8=5", "R5C5=6", "R2C1=8", "R2C8=3", "R2C4=7", "R4C3=7", "R3C5=2", "R5C4=1", "R2C5=5", "R8C2=8", "R3C7=5", "R1C4=9", "R8C6=5", "R4C8=9", "R4C6=8", "R1C1=7", "R7C0=9", "R8C4=4", "R4C0=2", "R1C0=6", "R8C3=3", "R7C8=2", "R0C0=4", "R3C2=7", "R1C3=4", "R8C0=7", "R6C1=5", "R8C7=6", "R1C6=2", "R7C7=7", "R7C3=5", "R6C4=2", "R5C1=9", "R5C0=5", "R5C6=4", "R0C5=8", "R4C7=3", "R1C7=1" ]
999,966
700300062006004109105080000000070000802050703004600981093000000050291607010560400
749315862386724159125986374931478526862159743574632981693847215458291637217563498
backtracking
[ "R2C6=3", "R7C0=4", "R3C1=3", "R4C5=9", "R0C2=9", "R1C3=7", "R2C5=6", "R8C2=7", "R6C7=1", "R4C3=1", "R1C1=8", "R6C0=6", "R2C1=2", "R0C1=4", "R1C0=3", "R3C0=9", "R6C3=8", "R5C0=5", "R3C5=8", "R4C7=4", "R3C8=6", "R0C4=1", "R3C6=5", "R6C8=5", "R6C6=2", "R2C8=4", "R7C7=3", "R1C4=2", "R8C8=8", "R5C1=7", "R5C4=3", "R4C1=6", "R3C2=1", "R2C3=9", "R0C5=5", "R5C5=2", "R3C7=2", "R2C7=7", "R8C5=3", "R0C6=8", "R6C4=4", "R1C7=5", "R8C0=2", "R8C7=9", "R6C5=7", "R3C3=4", "R7C2=8" ]
999,967
020000697080701000500046200610094003079150000000000008005009732000010004048360150
421538697986721345537946281612894573879153426354672918165489732793215864248367159
backtracking
[ "R1C4=2", "R3C7=7", "R5C5=2", "R8C8=9", "R0C0=4", "R2C3=9", "R4C5=3", "R2C2=7", "R7C7=6", "R5C0=3", "R4C8=6", "R2C7=8", "R0C4=3", "R5C3=6", "R6C4=8", "R4C7=2", "R6C1=6", "R7C5=5", "R0C3=5", "R2C8=1", "R7C2=3", "R6C3=4", "R8C0=2", "R1C6=3", "R5C4=7", "R6C0=1", "R0C5=8", "R4C6=4", "R5C7=1", "R2C1=3", "R0C2=1", "R5C1=5", "R7C1=9", "R1C0=9", "R8C5=7", "R1C8=5", "R7C0=7", "R4C0=8", "R1C7=4", "R3C6=5", "R3C2=2", "R1C2=6", "R7C6=8", "R3C3=8", "R5C2=4", "R5C6=9", "R7C3=2" ]
999,968
805603000030500017240700603002006470690000208400807100010000090700304500008090020
875613942936542817241789653182936475697451238453827169514278396729364581368195724
backtracking
[ "R1C5=2", "R4C4=5", "R8C8=4", "R1C2=6", "R3C8=5", "R1C0=9", "R1C6=8", "R5C8=9", "R6C2=4", "R5C1=5", "R6C6=3", "R0C6=9", "R4C5=1", "R1C4=4", "R2C2=1", "R5C2=3", "R8C3=1", "R8C1=6", "R3C3=9", "R5C4=2", "R6C8=6", "R0C4=1", "R0C7=4", "R2C4=8", "R8C0=3", "R7C4=6", "R7C8=1", "R6C4=7", "R8C5=5", "R6C5=8", "R0C1=7", "R3C1=8", "R0C8=2", "R5C7=6", "R6C0=5", "R7C7=8", "R4C2=7", "R7C2=9", "R6C3=2", "R4C3=4", "R2C7=5", "R8C6=7", "R2C5=9", "R7C1=2", "R3C0=1", "R3C4=3", "R4C7=3" ]
999,969
002000001409020870050008904704003016100047000038000090060500700005306042300190050
872439561419625873653718924794853216126947385538261497261584739985376142347192658
backtracking
[ "R6C8=9", "R2C4=1", "R4C1=2", "R8C8=8", "R4C7=8", "R3C1=9", "R8C6=6", "R0C3=4", "R8C1=4", "R7C6=1", "R3C3=8", "R7C4=7", "R6C4=8", "R5C5=1", "R8C5=2", "R2C3=7", "R6C5=4", "R6C2=1", "R3C4=5", "R3C6=2", "R5C4=6", "R1C3=6", "R1C5=5", "R4C6=3", "R5C6=4", "R1C1=1", "R6C0=2", "R0C0=8", "R8C2=7", "R7C0=9", "R1C8=3", "R5C8=7", "R0C6=5", "R2C7=2", "R5C3=2", "R6C7=3", "R4C3=9", "R2C0=6", "R0C4=3", "R7C1=8", "R5C0=5", "R0C1=7", "R0C5=9", "R4C2=6", "R4C8=5", "R0C7=6", "R2C2=3" ]
999,970
000000090400007062263050801007091206180005700090040083038009000000370504710020000
871263495459187362263954871347891256182635749695742183538419627926378514714526938
backtracking
[ "R8C3=5", "R8C6=9", "R1C2=9", "R7C5=8", "R5C3=7", "R6C0=5", "R2C5=4", "R7C2=6", "R8C7=3", "R7C1=2", "R5C5=2", "R5C2=5", "R4C3=6", "R0C0=8", "R4C8=9", "R1C3=1", "R4C2=2", "R0C1=7", "R6C4=1", "R6C6=6", "R5C6=1", "R0C3=2", "R4C7=4", "R8C8=8", "R1C1=5", "R0C6=4", "R1C6=3", "R0C2=1", "R4C4=3", "R0C5=3", "R6C8=7", "R6C7=2", "R7C7=1", "R2C3=9", "R0C4=6", "R3C0=3", "R8C5=6", "R7C0=9", "R8C2=4", "R6C3=4", "R3C3=8", "R3C1=4", "R5C0=6", "R3C7=5", "R2C7=7", "R1C4=8", "R0C8=5" ]
999,971
020000147500800000390706000078000009634009800200004013705018900000500620910003008
826935147547821396391746285178352469634179852259684713765218934483597621912463578
backtracking
[ "R2C4=4", "R5C1=5", "R7C1=8", "R6C1=6", "R4C7=5", "R0C2=6", "R5C4=8", "R2C6=2", "R0C0=8", "R2C7=8", "R0C3=9", "R3C7=6", "R8C6=5", "R7C4=9", "R3C6=4", "R0C4=3", "R8C7=7", "R5C3=6", "R7C8=1", "R1C7=9", "R3C3=3", "R6C7=3", "R4C4=7", "R3C4=5", "R1C8=6", "R6C3=2", "R3C5=2", "R7C2=3", "R8C4=6", "R4C8=2", "R6C8=4", "R7C0=4", "R2C8=5", "R8C3=4", "R1C5=1", "R1C6=3", "R7C5=7", "R1C4=2", "R8C2=2", "R3C0=1", "R5C6=7", "R0C5=5", "R1C1=4", "R1C2=7", "R4C3=1", "R2C2=1", "R5C2=9" ]
999,972
050040630008000010400063209020908150080000002003104000039005806710002394006700000
952841637368297415471563289624978153187356942593124768239415876715682394846739521
backtracking
[ "R3C0=6", "R5C0=5", "R8C8=1", "R6C0=2", "R7C4=8", "R1C8=5", "R1C4=9", "R5C7=6", "R0C0=9", "R1C5=7", "R8C1=4", "R5C4=2", "R2C7=8", "R2C2=1", "R3C4=7", "R4C6=9", "R0C3=8", "R6C3=4", "R4C7=4", "R8C5=9", "R8C7=2", "R7C2=5", "R1C6=4", "R5C6=7", "R4C5=6", "R1C0=3", "R3C8=3", "R1C3=2", "R6C4=1", "R8C4=3", "R6C7=7", "R5C1=9", "R8C0=8", "R7C3=6", "R2C1=7", "R4C2=7", "R4C0=1", "R0C2=2", "R4C4=5", "R0C8=7", "R8C6=5", "R5C8=8", "R2C3=5", "R0C5=1", "R3C2=4", "R1C1=6", "R4C3=3" ]
999,973
300009500702100008090080026020050014904008000560320070000500480030706002050041900
386279541742165398195483726823957614974618235561324879619532487438796152257841963
backtracking
[ "R7C4=9", "R6C4=3", "R4C7=3", "R0C1=8", "R7C6=1", "R6C5=2", "R8C8=3", "R3C5=7", "R6C8=7", "R1C1=4", "R4C4=1", "R7C7=5", "R2C2=5", "R0C8=1", "R4C3=6", "R7C2=8", "R8C3=8", "R6C2=9", "R2C3=4", "R0C4=7", "R6C1=1", "R5C2=1", "R0C2=6", "R3C3=9", "R4C8=5", "R2C5=3", "R7C0=4", "R2C0=1", "R5C8=9", "R2C6=7", "R1C7=9", "R0C3=2", "R1C6=3", "R6C0=6", "R3C2=3", "R3C6=6", "R8C0=2", "R8C2=7", "R1C4=6", "R4C6=2", "R8C7=6", "R5C5=4", "R1C5=5", "R0C7=4", "R5C6=8", "R3C0=8", "R4C1=7" ]
999,974
206800001840900020000032040052007060090406350103000000000070018001029604079008005
236854791847961523915732846452387169798416352163295487524673918381529674679148235
backtracking
[ "R1C6=5", "R6C0=5", "R3C6=1", "R2C2=5", "R2C0=9", "R5C7=8", "R5C8=7", "R8C0=6", "R8C7=3", "R3C0=4", "R8C4=4", "R1C5=1", "R1C4=6", "R5C6=4", "R7C1=8", "R4C4=1", "R6C6=9", "R6C2=4", "R2C3=7", "R6C5=3", "R5C1=6", "R3C8=9", "R8C3=1", "R4C8=2", "R7C3=5", "R7C0=3", "R5C4=9", "R4C0=7", "R0C1=3", "R1C8=3", "R4C2=8", "R3C4=8", "R0C6=7", "R6C1=2", "R3C3=3", "R2C8=6", "R8C6=2", "R2C1=1", "R6C3=6", "R5C3=2", "R2C6=8", "R0C4=5", "R1C2=7", "R7C7=7", "R5C5=5", "R0C5=4", "R0C7=9" ]
999,975
207030040019000805050600002708502069040008003092004100403079050800240016000000070
287935641619427835354681792738512469146798523592364187463179258875243916921856374
constraint_programming
[ "R2C6=7", "R1C4=2", "R6C1=6", "R7C6=9", "R8C8=4", "R3C6=4", "R5C7=8", "R4C6=5", "R3C1=3", "R7C1=7", "R8C2=1", "R0C3=9", "R4C0=1", "R1C7=3", "R5C3=3", "R8C0=9", "R6C6=2", "R5C0=5", "R2C4=8", "R4C7=2", "R0C6=6", "R8C4=5", "R8C5=6", "R2C7=9", "R4C4=9", "R0C8=1", "R2C5=1", "R5C4=6", "R2C0=3", "R5C8=7", "R1C0=6", "R3C4=1", "R6C3=1", "R1C3=4", "R0C1=8", "R7C5=3", "R4C2=6", "R1C5=7", "R8C3=8", "R8C6=3", "R6C8=8", "R8C1=2", "R0C5=5", "R2C2=4", "R7C2=5", "R4C3=7" ]
999,976
098065004023807100106430000000006839000200600070080050900043007264070900800001500
798165324423897165156432798542716839389254671671389452915643287264578913837921546
backtracking
[ "R4C1=8", "R4C7=7", "R5C5=9", "R3C0=5", "R4C2=9", "R3C3=7", "R0C0=7", "R2C5=2", "R1C4=9", "R3C2=2", "R2C7=9", "R1C8=5", "R8C4=2", "R2C8=8", "R0C7=2", "R2C6=7", "R0C6=3", "R7C5=8", "R1C0=4", "R8C1=3", "R8C7=4", "R8C3=9", "R4C4=5", "R7C7=1", "R6C3=6", "R8C2=7", "R6C7=8", "R4C5=4", "R4C8=1", "R5C0=6", "R2C1=5", "R5C2=1", "R3C4=1", "R5C3=3", "R0C3=1", "R8C8=6", "R5C8=2", "R6C2=5", "R6C1=1", "R7C3=5", "R3C1=4", "R6C6=2", "R4C0=3", "R5C6=4", "R7C8=3", "R1C7=6" ]
999,977
000000600694032700580040000020057000400000001036900008002503810071029034000080027
217895643694132785583746192128357469459268371736914258942573816871629534365481927
constraint_programming
[ "R8C3=4", "R0C0=2", "R0C2=7", "R2C7=9", "R4C3=2", "R8C2=5", "R8C6=9", "R8C1=6", "R0C5=5", "R5C6=2", "R5C7=5", "R2C3=7", "R0C4=9", "R6C0=9", "R5C4=1", "R2C2=3", "R6C1=4", "R1C7=8", "R4C1=5", "R6C4=7", "R0C8=3", "R0C3=8", "R3C3=3", "R5C0=7", "R1C8=5", "R4C7=7", "R3C8=9", "R3C2=8", "R2C8=2", "R7C3=6", "R8C0=3", "R2C6=1", "R0C1=1", "R4C6=3", "R2C5=6", "R4C4=6", "R0C7=4", "R7C0=8", "R6C8=6", "R3C7=6", "R4C5=8", "R3C6=4", "R3C0=1", "R8C5=1", "R1C3=1", "R7C6=5", "R5C5=4", "R4C2=9" ]
999,978
070608030160024000905100004000709340200005900006400078530000800008507001009006200
472658139163924785985173624851769342247385916396412578534291867628537491719846253
backtracking
[ "R3C1=5", "R8C0=7", "R0C4=5", "R3C2=1", "R2C7=2", "R8C1=1", "R8C3=8", "R4C7=1", "R4C1=4", "R6C8=7", "R6C2=4", "R6C3=2", "R0C0=4", "R1C6=7", "R5C6=5", "R3C4=6", "R7C1=2", "R8C8=3", "R2C5=3", "R2C1=8", "R4C4=8", "R8C7=5", "R4C2=7", "R1C7=8", "R7C0=6", "R6C7=6", "R1C2=3", "R5C4=1", "R4C8=6", "R1C8=5", "R7C7=9", "R2C6=6", "R8C4=4", "R4C3=3", "R3C0=8", "R6C4=9", "R0C8=9", "R5C0=3", "R3C8=2", "R1C3=9", "R0C6=1", "R5C5=2", "R5C1=9", "R7C4=3", "R0C2=2", "R7C6=4", "R6C5=1", "R2C4=7" ]
999,979
800050096003000204020907010100300700069100820000000040030004900500806002470290180
817452396953681274624937518142368759769145823385729641238514967591876432476293185
constraint_programming
[ "R5C1=8", "R3C4=6", "R4C0=7", "R5C3=7", "R1C5=1", "R3C1=4", "R6C4=1", "R5C0=3", "R5C6=6", "R4C5=5", "R1C7=7", "R7C6=4", "R7C7=3", "R0C6=3", "R0C3=4", "R5C2=5", "R6C3=5", "R2C4=3", "R2C0=6", "R2C2=4", "R7C4=7", "R5C8=1", "R3C7=5", "R0C5=2", "R6C7=6", "R3C8=9", "R1C3=6", "R4C8=3", "R1C0=9", "R7C2=1", "R5C4=2", "R2C8=8", "R7C1=9", "R6C0=2", "R8C8=5", "R5C5=9", "R8C2=6", "R6C2=8", "R3C5=8", "R3C2=2", "R6C8=7", "R1C4=8", "R8C5=3", "R0C1=1", "R2C6=5", "R0C2=7", "R1C1=5", "R4C4=4" ]
999,980
300057000000160049269003001030640000046009078028000030100800094000530600087000500
314957862875162349269483751731648925546329178928715436153876294492531687687294513
backtracking
[ "R3C7=2", "R1C6=3", "R5C5=5", "R3C5=8", "R5C6=4", "R8C7=1", "R6C4=7", "R4C0=5", "R8C8=3", "R5C8=6", "R2C3=4", "R5C0=9", "R7C1=9", "R0C6=8", "R0C3=9", "R1C1=7", "R3C0=7", "R8C3=2", "R7C8=7", "R2C6=7", "R7C2=2", "R0C8=2", "R4C6=1", "R6C6=2", "R3C2=1", "R3C6=9", "R7C5=1", "R0C7=6", "R4C3=3", "R7C0=4", "R8C0=6", "R0C1=1", "R2C7=5", "R8C5=4", "R6C1=5", "R4C4=2", "R5C4=1", "R8C4=9", "R0C2=4", "R6C5=6", "R5C3=7", "R6C2=3", "R2C4=8", "R7C7=8", "R1C5=2", "R1C2=5", "R1C0=8", "R3C8=5" ]
999,981
300159400000700280176800300060070019010903800420000070200080054098201006007005000
382159467954736281176824395863472519715963842429518673231687954598241736647395128
backtracking
[ "R5C2=9", "R8C1=4", "R8C6=1", "R8C4=9", "R2C5=4", "R5C3=5", "R5C5=8", "R8C3=3", "R3C5=2", "R2C4=2", "R3C2=3", "R6C1=3", "R3C3=4", "R6C2=1", "R8C7=2", "R1C4=3", "R2C8=5", "R3C6=5", "R5C6=6", "R4C7=4", "R0C8=7", "R6C3=6", "R6C6=9", "R2C7=9", "R1C1=5", "R6C5=7", "R7C4=4", "R1C2=4", "R4C0=7", "R1C0=9", "R0C7=6", "R7C0=5", "R1C8=1", "R4C2=5", "R0C1=8", "R4C8=2", "R5C8=3", "R3C0=8", "R8C8=8", "R4C4=6", "R0C2=2", "R5C4=1", "R7C7=3", "R1C5=6", "R7C6=7", "R8C0=6" ]
999,982
005200901470000000009108075904081000060790058800305400023000780100900360000002000
685273941471569823239148675954681237362794158817325496523416789148957362796832514
backtracking
[ "R0C7=4", "R7C8=2", "R6C3=4", "R4C5=4", "R5C1=1", "R5C7=9", "R2C1=3", "R2C6=6", "R3C6=2", "R3C3=6", "R6C4=1", "R0C5=3", "R3C7=3", "R8C7=1", "R4C2=2", "R1C7=2", "R2C0=2", "R8C3=8", "R0C0=6", "R8C0=7", "R5C2=7", "R5C4=2", "R1C2=1", "R6C5=6", "R7C1=4", "R7C4=5", "R0C4=7", "R1C8=3", "R1C6=8", "R8C1=9", "R4C0=3", "R4C6=1", "R7C5=7", "R3C1=5", "R8C2=6", "R2C4=4", "R0C1=8", "R8C6=5", "R8C4=3", "R1C5=9", "R7C2=8", "R6C0=5", "R1C3=5", "R5C8=6", "R8C8=4", "R6C8=9", "R1C4=6", "R3C8=7" ]
999,983
300000107090802640580710200700400060029650008053000700006390450800000030001004002
362945187197832645584716293718423569429657318653189724276398451845271936931564872
constraint_programming
[ "R0C3=9", "R7C5=1", "R4C5=7", "R1C4=3", "R0C2=2", "R3C4=2", "R3C5=3", "R3C8=9", "R6C1=7", "R3C2=8", "R4C6=3", "R7C8=6", "R0C5=5", "R0C1=6", "R5C5=9", "R0C7=8", "R4C7=1", "R7C4=7", "R8C6=8", "R8C3=5", "R8C7=7", "R0C4=4", "R5C4=8", "R2C7=9", "R8C0=9", "R1C8=5", "R8C4=6", "R6C0=2", "R7C1=4", "R2C8=3", "R2C5=6", "R3C1=1", "R7C2=5", "R5C3=1", "R1C2=7", "R6C8=1", "R5C0=6", "R6C5=8", "R2C2=4", "R8C1=3", "R3C6=5", "R1C0=1", "R5C8=4", "R5C7=2", "R4C0=4", "R7C6=9", "R7C3=2" ]
999,984
094100060300070000025008300206009800001063097470005002007081050000420000980300701
794132568368574129125698374236749815851263497479815632647981253513427986982356741
backtracking
[ "R5C3=8", "R7C7=8", "R7C1=1", "R7C8=6", "R0C8=8", "R4C1=5", "R5C2=9", "R6C6=2", "R0C6=5", "R4C3=2", "R4C6=4", "R2C8=4", "R2C3=6", "R1C8=9", "R7C6=9", "R7C0=5", "R0C5=2", "R1C2=8", "R0C4=3", "R6C8=3", "R1C5=4", "R2C0=1", "R8C5=6", "R3C4=4", "R3C1=3", "R7C2=3", "R8C2=2", "R2C7=7", "R0C0=7", "R6C1=4", "R2C4=9", "R1C7=2", "R1C1=6", "R5C6=6", "R6C3=9", "R1C6=1", "R5C7=3", "R4C0=8", "R3C7=1", "R3C3=7", "R8C4=5", "R8C7=4", "R7C5=7", "R1C3=5", "R5C4=1", "R6C0=6", "R3C8=5" ]
999,985
000930024743000008502000070400600100001402890670509000100250600905060032060008700
816937524743125968592846371429683157351472896678519243137254689985761432264398715
backtracking
[ "R8C0=2", "R2C6=3", "R1C3=1", "R7C5=1", "R4C8=6", "R5C4=1", "R1C6=9", "R4C1=5", "R4C4=7", "R6C8=9", "R6C2=7", "R3C4=8", "R0C2=6", "R8C7=1", "R7C6=4", "R3C8=7", "R5C7=4", "R0C6=5", "R3C2=9", "R2C3=8", "R3C7=5", "R8C8=5", "R8C2=4", "R4C0=3", "R8C3=3", "R0C1=1", "R6C1=3", "R5C8=3", "R1C4=2", "R3C1=2", "R3C5=3", "R6C7=8", "R2C5=6", "R5C6=2", "R8C4=9", "R2C8=1", "R5C2=8", "R2C1=9", "R1C7=6", "R7C3=7", "R7C1=8", "R0C5=7", "R6C5=4", "R0C0=8", "R2C4=4", "R1C5=5" ]
999,986
005040000000006050180970062057008901003050640000603020490060003871000000030290407
365142879729386154184975362657428931213759648948613725492867513871534296536291487
backtracking
[ "R0C6=8", "R4C8=8", "R3C0=6", "R4C3=7", "R8C7=8", "R5C4=1", "R1C2=9", "R5C1=4", "R1C3=3", "R0C0=3", "R5C8=5", "R1C0=7", "R0C5=2", "R5C0=9", "R6C7=1", "R1C8=4", "R6C2=2", "R6C5=7", "R5C2=8", "R4C5=9", "R4C1=1", "R7C6=2", "R1C6=1", "R7C8=6", "R3C7=3", "R1C4=8", "R6C3=8", "R5C6=7", "R0C3=1", "R2C6=3", "R0C8=9", "R7C3=5", "R2C5=5", "R7C4=3", "R3C3=4", "R8C5=1", "R7C7=9", "R0C7=7", "R8C2=6", "R4C0=2", "R7C5=4", "R6C6=5", "R3C4=2", "R1C1=2", "R2C2=4", "R0C1=6", "R8C0=5" ]
999,987
000300061043710285809000700537004000000500498000026000062050019700600000051980003
275348961643719285819265734537894126126573498984126357362457819798631542451982673
backtracking
[ "R2C4=6", "R8C5=2", "R1C5=9", "R4C4=7", "R4C0=1", "R7C5=1", "R2C5=5", "R2C3=2", "R5C0=9", "R3C8=6", "R1C0=6", "R4C2=6", "R6C0=3", "R8C7=7", "R5C2=4", "R3C4=9", "R3C6=1", "R5C6=3", "R2C1=1", "R4C5=3", "R3C7=2", "R0C2=5", "R2C8=4", "R7C8=2", "R7C6=5", "R8C0=4", "R3C3=8", "R5C1=8", "R7C7=4", "R7C1=9", "R7C4=3", "R4C1=2", "R5C7=5", "R7C2=8", "R6C5=7", "R0C6=9", "R6C3=4", "R2C7=3", "R5C3=1", "R0C1=7", "R5C8=7", "R0C0=2", "R0C4=4", "R0C5=8", "R8C6=6", "R6C6=8" ]
999,988
000074600005100080612500090050083020304000100060907000081002407700040509903006800
839274651475169283612538794157483926394625178268917345581392467726841539943756812
backtracking
[ "R2C8=4", "R1C4=6", "R7C1=2", "R6C7=6", "R3C3=4", "R2C4=3", "R4C5=5", "R8C8=2", "R1C0=4", "R2C5=8", "R1C8=3", "R1C6=2", "R8C7=1", "R2C6=7", "R7C7=3", "R7C3=8", "R5C7=4", "R3C0=1", "R3C6=9", "R6C0=5", "R5C2=8", "R4C7=7", "R0C1=3", "R4C3=6", "R5C4=1", "R7C5=1", "R4C4=2", "R4C1=9", "R1C1=7", "R8C1=4", "R1C5=9", "R5C8=5", "R5C0=2", "R0C7=5", "R4C8=8", "R7C2=6", "R3C2=7", "R6C3=3", "R3C8=6", "R6C4=9", "R0C8=1", "R8C3=7", "R5C6=3", "R8C4=5", "R0C2=9", "R0C3=2", "R0C0=8" ]
999,989
000000006003008510410207000000030200640900008057180600260093004780540300000700091
875319426923468517416257983198634275642975138357182649261893754789541362534726891
backtracking
[ "R0C7=2", "R1C4=6", "R8C0=5", "R4C2=2", "R4C5=5", "R8C6=8", "R3C8=5", "R0C2=5", "R0C5=9", "R7C2=9", "R6C2=1", "R3C3=6", "R4C7=3", "R5C0=3", "R1C0=9", "R0C0=8", "R8C5=6", "R0C4=1", "R2C7=8", "R1C3=4", "R2C6=9", "R0C1=7", "R3C2=8", "R8C4=2", "R4C6=1", "R7C7=6", "R2C2=6", "R5C5=2", "R3C7=7", "R1C8=7", "R2C4=5", "R0C6=4", "R3C5=4", "R8C1=3", "R4C4=7", "R6C7=5", "R3C1=9", "R7C8=2", "R6C3=8", "R7C5=1", "R6C6=7", "R1C1=2", "R5C7=4", "R3C0=1", "R2C8=3", "R0C3=3", "R8C2=4", "R5C8=9" ]
999,990
000308600302400058005020071586000400000007002090140000403096105001280006070000030
719358624362471958845629371586932417134867592297145863423796185951283746678514239
constraint_programming
[ "R8C3=5", "R6C3=7", "R5C8=3", "R4C7=9", "R5C7=6", "R1C4=7", "R0C8=4", "R8C6=2", "R0C4=5", "R4C3=8", "R4C6=5", "R4C0=1", "R2C5=9", "R1C1=6", "R3C8=7", "R0C2=9", "R7C0=9", "R6C1=2", "R8C0=6", "R7C7=4", "R7C1=5", "R5C6=8", "R1C5=1", "R4C2=4", "R2C0=8", "R5C0=2", "R7C5=3", "R8C2=8", "R3C4=3", "R2C3=6", "R8C8=9", "R3C3=9", "R2C1=4", "R2C6=3", "R3C7=1", "R0C0=7", "R8C4=1", "R5C5=5", "R7C6=7", "R0C1=1", "R4C4=6", "R8C5=4", "R3C5=2", "R1C6=9", "R5C2=7", "R4C1=3", "R6C7=8", "R0C7=2" ]
999,991
610280070080009001020370096105720600007003080090400037040000320000510000806900004
619285473783649251524371896135728649467193582298456137941867325372514968856932714
backtracking
[ "R3C1=3", "R2C0=5", "R6C2=1", "R7C8=8", "R8C6=7", "R1C2=3", "R1C6=2", "R7C0=3", "R7C1=7", "R4C8=2", "R7C6=9", "R4C1=6", "R5C2=8", "R8C5=2", "R4C0=4", "R3C7=4", "R4C3=1", "R0C6=4", "R1C0=7", "R6C8=5", "R7C2=2", "R4C6=5", "R5C5=6", "R2C6=8", "R0C2=9", "R2C5=1", "R6C5=7", "R6C0=9", "R5C6=1", "R1C7=5", "R1C3=6", "R1C4=4", "R6C3=8", "R8C1=5", "R5C0=2", "R3C8=9", "R8C7=1", "R0C8=3", "R8C4=3", "R7C7=6", "R4C4=9", "R0C5=5", "R3C5=8", "R7C5=4", "R6C4=6", "R2C2=4", "R5C4=5" ]
999,992
023085009000406201408001700070090030084070905030002406600500028009010000050007000
123785649795436281468921753576194832284673915931852476617549328349218567852367194
backtracking
[ "R6C4=4", "R8C0=8", "R1C1=9", "R0C0=1", "R6C5=9", "R3C8=2", "R4C5=3", "R3C3=1", "R3C2=6", "R6C1=1", "R1C2=5", "R7C0=3", "R5C3=8", "R8C2=2", "R1C0=7", "R4C7=1", "R2C1=6", "R6C2=7", "R5C7=7", "R3C5=4", "R8C6=1", "R4C0=2", "R3C0=5", "R0C3=7", "R7C3=2", "R6C6=3", "R1C7=8", "R2C3=9", "R7C5=8", "R1C4=3", "R2C8=3", "R8C4=6", "R5C0=9", "R8C8=4", "R3C6=8", "R0C6=6", "R4C3=6", "R2C7=5", "R5C2=1", "R7C1=4", "R0C7=4", "R7C6=5", "R7C8=7", "R8C3=3", "R2C4=2", "R7C7=6", "R8C7=9", "R5C4=5" ]
999,993
007090006003502000290400085060709040000000190800050020510030800300610470006024301
457198236683572914291463785162789543735246198849351627514937862328615479976824351
backtracking
[ "R1C1=8", "R1C6=9", "R2C4=6", "R8C3=8", "R1C0=6", "R3C4=8", "R4C0=7", "R0C7=3", "R5C8=7", "R4C4=4", "R7C8=9", "R6C3=9", "R1C8=4", "R5C6=6", "R6C7=6", "R0C1=5", "R4C8=8", "R5C1=4", "R1C4=7", "R2C6=7", "R4C1=3", "R0C6=2", "R3C2=2", "R5C3=3", "R6C8=2", "R6C2=4", "R2C2=1", "R3C6=5", "R0C3=1", "R8C1=7", "R3C0=1", "R4C3=2", "R8C7=5", "R8C0=9", "R5C5=1", "R0C0=4", "R4C2=5", "R7C5=5", "R0C5=8", "R2C5=3", "R3C8=3", "R5C2=9", "R6C5=7", "R7C1=2", "R1C7=1", "R4C5=6", "R7C2=8" ]
999,994
000750960000800704304020001090000000027930400010402380000001005900360000206090037
182754963569813724374629851493186572827935416615472389738241695951367248246598137
backtracking
[ "R5C8=9", "R7C1=5", "R8C5=8", "R2C6=8", "R3C0=4", "R6C7=9", "R4C0=8", "R6C2=8", "R1C4=1", "R3C2=3", "R2C5=9", "R5C0=6", "R8C3=5", "R2C3=6", "R6C1=3", "R1C1=6", "R0C0=1", "R3C8=2", "R0C8=3", "R2C1=7", "R6C4=4", "R7C6=2", "R7C8=8", "R6C3=2", "R6C0=7", "R3C7=7", "R7C2=1", "R3C6=5", "R3C4=8", "R4C5=5", "R7C5=7", "R0C2=2", "R5C2=5", "R0C5=4", "R4C8=6", "R1C7=2", "R5C4=7", "R2C7=5", "R6C6=6", "R7C7=4", "R3C5=6", "R1C2=9", "R4C7=1", "R1C5=3", "R8C6=1", "R0C1=8", "R8C1=4", "R3C3=1", "R1C0=5" ]
999,995
300028000029000030005400107740203098008607003100000004000091602500700480061050070
317528946429176835685439127746213598958647213132985764874391652593762481261854379
backtracking
[ "R0C2=7", "R5C4=8", "R1C8=5", "R1C3=1", "R5C2=2", "R5C5=5", "R8C8=9", "R2C1=8", "R8C5=4", "R6C1=7", "R5C7=6", "R6C7=5", "R2C7=2", "R3C2=6", "R8C6=3", "R5C6=7", "R4C7=1", "R6C2=4", "R0C1=1", "R6C3=3", "R3C6=5", "R4C1=5", "R8C3=8", "R1C4=7", "R2C5=9", "R6C0=8", "R7C8=1", "R4C6=2", "R7C1=9", "R7C4=6", "R8C0=2", "R0C3=5", "R4C0=9", "R5C3=9", "R0C7=4", "R3C4=1", "R1C6=8", "R2C0=6", "R5C1=3", "R1C5=6", "R0C6=9", "R7C5=2", "R1C0=4", "R4C4=4", "R0C8=6", "R7C2=3", "R2C4=3" ]
999,996
003000600004086005700000940935040720806720050200300190601900004000800000002135800
523497681194286375768513942935641728816729453247358196681972534359864217472135869
constraint_programming
[ "R1C6=3", "R4C8=3", "R3C5=1", "R1C3=2", "R7C4=6", "R7C1=5", "R7C5=4", "R0C3=4", "R0C4=9", "R7C7=1", "R0C1=2", "R8C8=9", "R0C8=1", "R6C5=2", "R5C5=8", "R6C4=7", "R1C1=9", "R5C4=5", "R7C0=3", "R3C8=8", "R4C5=9", "R5C2=7", "R0C7=8", "R6C7=3", "R5C1=4", "R2C3=5", "R8C1=7", "R8C7=6", "R1C0=1", "R3C3=6", "R6C6=5", "R0C0=5", "R4C1=1", "R1C7=7", "R8C0=4", "R6C1=8", "R7C8=7", "R7C2=9", "R2C8=2", "R4C6=4", "R2C1=6", "R2C2=8", "R7C6=2", "R5C8=6", "R2C4=1", "R0C5=7", "R2C5=3" ]
999,997
000350820061804030050009000070060002903007010005020900007130065000090408086700000
749356821261874539358219746874961352923587614615423987497138265132695478586742193
backtracking
[ "R3C2=4", "R0C5=6", "R5C1=1", "R2C4=1", "R0C2=9", "R5C8=7", "R1C4=7", "R6C6=2", "R5C3=4", "R6C0=4", "R8C7=9", "R5C5=3", "R2C3=2", "R3C0=8", "R7C0=1", "R2C2=8", "R4C1=2", "R6C1=9", "R7C7=7", "R4C3=5", "R5C7=8", "R2C7=4", "R1C8=9", "R3C5=1", "R3C6=3", "R5C0=6", "R0C8=1", "R2C8=6", "R7C1=3", "R1C6=5", "R0C1=4", "R4C6=6", "R7C5=5", "R8C6=1", "R2C6=7", "R3C3=9", "R7C3=6", "R6C5=8", "R1C0=2", "R8C5=2", "R4C8=4", "R8C8=3", "R0C0=7", "R4C4=8", "R2C0=3", "R8C4=4", "R7C2=2", "R3C7=5", "R8C0=5" ]
999,998
070200690003040001000065020560030000094700580010020406000108040051003900940600007
475281693623947851189365724562834179394716582817529436736198245251473968948652317
constraint_programming
[ "R7C7=6", "R2C2=9", "R6C8=5", "R6C0=7", "R5C5=9", "R8C2=8", "R2C1=8", "R2C8=4", "R5C2=7", "R4C8=2", "R2C0=1", "R3C8=9", "R3C2=2", "R0C0=4", "R3C6=1", "R1C1=2", "R5C7=3", "R3C3=8", "R0C4=8", "R4C4=1", "R4C0=3", "R1C0=6", "R7C8=8", "R7C0=2", "R0C8=3", "R2C3=3", "R3C5=4", "R1C6=8", "R6C6=2", "R8C7=1", "R6C2=6", "R0C5=1", "R7C4=7", "R8C4=5", "R5C3=5", "R6C4=9", "R5C0=8", "R6C1=3", "R3C7=7", "R1C3=9", "R1C7=5", "R4C5=6", "R1C5=7", "R2C6=7", "R7C3=4", "R8C6=3", "R0C2=5", "R8C5=2" ]
999,999
300401620100080400005020830057800000000700503002904007480530010203090000070006090
398471625126385479745629831657813942914762583832954167489537216263198754571246398
backtracking
[ "R3C6=9", "R3C7=4", "R1C3=3", "R6C6=2", "R6C5=7", "R3C5=3", "R5C6=1", "R7C7=5", "R3C8=2", "R1C7=7", "R1C8=9", "R5C0=8", "R0C4=7", "R0C2=8", "R1C2=6", "R4C2=4", "R7C6=7", "R7C1=6", "R5C1=3", "R4C0=9", "R8C0=5", "R7C3=1", "R2C1=4", "R2C0=7", "R6C8=6", "R8C4=4", "R4C7=8", "R2C8=1", "R8C2=1", "R6C2=9", "R8C8=8", "R8C3=2", "R7C5=8", "R8C6=3", "R0C8=5", "R4C1=1", "R2C5=9", "R4C5=2", "R7C8=4", "R5C4=5", "R3C4=1", "R1C1=2", "R0C1=9", "R1C5=5", "R5C7=6", "R3C0=6", "R4C4=6", "R2C3=6" ]