id
int64
0
1,000k
quizzes
stringlengths
81
81
solutions
stringlengths
81
81
method
stringclasses
2 values
steps
sequencelengths
44
52
1,100
050900020401007000200005364900163570680000400000780002798000030030008905540600100
853946721461327859279815364924163578687592413315784692798451236136278945542639187
backtracking
[ "R4C8=3", "R6C5=1", "R4C4=9", "R4C2=7", "R2C1=7", "R0C6=7", "R2C2=9", "R6C8=6", "R8C8=7", "R5C1=1", "R8C2=2", "R4C7=1", "R8C4=3", "R5C6=6", "R0C2=3", "R1C8=9", "R8C7=8", "R0C4=4", "R5C2=5", "R3C8=8", "R0C0=8", "R2C3=8", "R6C6=2", "R7C3=2", "R5C7=9", "R5C0=3", "R1C4=2", "R0C5=6", "R3C2=4", "R1C1=6", "R8C5=9", "R4C3=5", "R5C5=4", "R6C3=4", "R7C0=1", "R2C4=1", "R1C3=3", "R6C4=5", "R3C1=2", "R1C6=8", "R7C7=4", "R0C8=1", "R4C5=2", "R1C7=5", "R7C2=6", "R7C4=7" ]
1,101
000007890050002630001830407067001200080070503300090064000609050029080000130500008
243167895758942631691835427467351289982476513315298764874619352529783146136524978
backtracking
[ "R3C8=9", "R5C5=8", "R3C7=8", "R5C1=1", "R2C7=2", "R8C5=4", "R7C5=3", "R0C3=1", "R6C1=7", "R7C6=1", "R6C6=3", "R4C3=4", "R4C0=9", "R1C2=8", "R5C2=5", "R8C4=2", "R0C8=5", "R1C3=9", "R5C3=2", "R7C3=7", "R0C2=3", "R6C2=4", "R0C0=2", "R4C2=2", "R7C7=4", "R2C1=9", "R3C4=5", "R4C5=6", "R5C6=7", "R8C7=7", "R6C0=8", "R8C2=6", "R7C0=5", "R8C6=9", "R3C3=3", "R2C5=5", "R1C4=4", "R3C0=4", "R7C8=6", "R0C1=4", "R1C8=1", "R2C0=6", "R6C8=2", "R4C7=1", "R0C4=6", "R1C0=7", "R6C4=1" ]
1,102
020100930500076000010800206708031400003068000690500000004029085900300004060000701
826154937539276148417893256758931462243768519691542873174629385985317624362485791
backtracking
[ "R4C6=5", "R5C2=1", "R4C8=9", "R8C4=8", "R0C5=4", "R8C7=9", "R8C2=2", "R2C0=4", "R7C4=1", "R1C6=1", "R1C8=8", "R8C3=4", "R5C5=2", "R2C2=7", "R3C8=2", "R0C4=5", "R8C0=3", "R7C2=5", "R7C1=8", "R6C0=1", "R0C0=8", "R5C6=8", "R1C1=3", "R5C7=7", "R7C5=7", "R4C1=4", "R7C7=2", "R3C3=9", "R8C5=5", "R0C2=6", "R4C3=7", "R6C3=6", "R2C4=9", "R7C6=6", "R4C0=2", "R3C1=5", "R6C1=7", "R2C5=3", "R2C7=5", "R6C6=3", "R1C7=4", "R1C2=9", "R0C8=7", "R3C7=6", "R5C4=4", "R1C3=2", "R5C8=3", "R4C7=1" ]
1,103
005100008200095000800037290050009030960780002480060017300400500000018604070002003
795124368236895741841637295157249836963781452482563917318476529529318674674952183
constraint_programming
[ "R3C0=1", "R4C2=3", "R1C1=3", "R6C2=8", "R2C2=1", "R1C3=8", "R3C2=7", "R0C0=7", "R5C2=2", "R4C7=5", "R6C7=2", "R8C2=4", "R8C6=1", "R7C0=5", "R1C7=4", "R5C5=3", "R3C8=6", "R4C5=1", "R6C8=9", "R8C0=6", "R0C4=2", "R3C4=4", "R1C6=7", "R1C8=1", "R4C6=4", "R5C6=9", "R5C3=5", "R7C2=9", "R8C3=9", "R7C3=3", "R7C7=7", "R8C4=5", "R6C4=7", "R8C7=8", "R0C5=4", "R2C1=4", "R3C6=8", "R1C2=6", "R3C3=2", "R0C7=6", "R6C5=6", "R2C8=5", "R0C1=9", "R0C6=3", "R2C3=6", "R7C1=2", "R6C1=1" ]
1,104
002009170001060309030510000160400002090078030040000567008000200420050006000190805
652389174781264359934517628167435982295678431843921567518746293429853716376192845
backtracking
[ "R3C2=7", "R6C8=3", "R0C3=3", "R3C5=5", "R5C4=2", "R7C3=8", "R5C3=9", "R6C5=6", "R5C0=8", "R6C0=5", "R1C0=7", "R1C3=2", "R7C5=3", "R2C2=4", "R5C2=3", "R1C5=4", "R4C8=1", "R8C0=3", "R8C1=7", "R4C3=6", "R7C6=7", "R4C2=5", "R2C0=9", "R5C5=1", "R7C2=9", "R7C7=1", "R6C1=1", "R2C5=7", "R8C5=2", "R0C0=6", "R6C7=9", "R4C0=2", "R6C3=7", "R1C1=8", "R3C6=9", "R6C4=4", "R2C8=8", "R3C7=8", "R0C4=8", "R8C7=4", "R0C8=4", "R8C2=6", "R1C7=5", "R4C6=4", "R2C6=6", "R0C1=5", "R3C4=3", "R2C7=2" ]
1,105
094800061600007240000010309020000830410002000000730105780050000006200090905103602
394825761651397248278416359527961834413582976869734125782659413136248597945173682
backtracking
[ "R4C8=6", "R5C2=9", "R7C6=5", "R5C0=8", "R7C0=1", "R3C0=5", "R0C0=3", "R2C1=7", "R3C3=9", "R4C4=8", "R7C4=4", "R7C1=3", "R2C3=4", "R4C6=9", "R1C2=1", "R5C1=6", "R8C1=4", "R1C1=5", "R2C5=6", "R3C2=7", "R7C8=7", "R1C4=9", "R6C5=9", "R4C7=7", "R2C0=2", "R2C7=5", "R3C5=1", "R0C4=2", "R8C4=7", "R5C5=4", "R0C6=7", "R7C5=8", "R6C8=3", "R3C8=4", "R2C2=8", "R1C3=3", "R0C5=5", "R6C3=6", "R5C7=2", "R6C7=1", "R1C8=8", "R4C2=3", "R4C3=5", "R3C4=6", "R6C2=2", "R6C6=4", "R8C7=8" ]
1,106
790040000000100052040638001010807005902000764503000090060210000004005830300700006
791542683638179452245638971416897325982351764573426198867213549124965837359784216
backtracking
[ "R6C2=7", "R7C1=2", "R4C1=8", "R7C3=9", "R5C3=4", "R5C1=7", "R3C4=9", "R8C4=8", "R8C2=9", "R8C5=4", "R6C0=8", "R6C7=4", "R0C2=1", "R6C6=5", "R7C4=6", "R3C6=3", "R5C6=1", "R8C7=1", "R3C7=2", "R3C0=4", "R2C6=9", "R8C1=5", "R8C6=2", "R2C0=2", "R0C5=2", "R0C7=8", "R0C8=3", "R2C2=5", "R4C4=5", "R3C2=6", "R1C1=3", "R0C6=6", "R0C3=5", "R1C0=6", "R1C2=8", "R4C5=1", "R5C8=8", "R6C8=9", "R1C6=4", "R5C4=2", "R7C0=1", "R5C5=6", "R7C8=7", "R1C4=7", "R6C5=3", "R1C5=9", "R2C7=7", "R4C3=3" ]
1,107
030800010045000002907100600000030705600709083000046900520060070304920100010305046
236894517145673892987152634491238765652719483873546921528461379364927158719385246
backtracking
[ "R8C4=8", "R4C6=4", "R1C0=1", "R8C2=9", "R3C7=6", "R6C2=8", "R0C8=7", "R7C1=6", "R6C8=9", "R3C3=2", "R4C4=1", "R3C2=1", "R0C6=5", "R5C2=3", "R0C2=6", "R3C1=9", "R8C6=2", "R5C8=1", "R1C5=3", "R1C6=8", "R6C3=4", "R2C5=2", "R5C3=5", "R2C1=8", "R0C0=2", "R2C4=5", "R4C1=5", "R3C5=8", "R3C0=4", "R2C8=4", "R6C6=3", "R1C7=9", "R5C0=8", "R0C4=9", "R4C2=2", "R1C4=7", "R7C8=8", "R7C5=7", "R6C5=1", "R5C7=2", "R1C3=6", "R2C7=3", "R0C5=4", "R7C7=5", "R5C1=7", "R8C0=7" ]
1,108
700200586050039001040000020000975040007801300190000000013008650008040200960300700
739214586852639471641587923386975142427861395195423867213798654578146239964352718
constraint_programming
[ "R6C8=4", "R0C2=9", "R7C8=9", "R3C0=3", "R4C8=5", "R5C7=6", "R0C5=4", "R5C2=5", "R1C7=7", "R8C7=1", "R7C3=1", "R1C2=2", "R6C4=9", "R2C3=5", "R4C7=9", "R5C3=4", "R7C1=7", "R3C6=1", "R5C6=8", "R2C6=9", "R2C0=6", "R1C0=8", "R5C4=2", "R2C5=7", "R8C5=2", "R4C1=2", "R6C0=2", "R2C2=1", "R1C3=6", "R3C2=6", "R0C1=3", "R2C4=8", "R5C5=3", "R7C5=6", "R5C8=7", "R7C0=5", "R3C8=2", "R4C0=4", "R4C4=6", "R3C1=8", "R1C6=4", "R2C8=3", "R0C4=1", "R8C4=5", "R8C2=4", "R7C7=3", "R6C3=7", "R8C8=8" ]
1,109
700040083406005170010209060000700400064020700870100005900080031003092000625000009
752641983496835172318279564231758496564923718879164325947586231183492657625317849
backtracking
[ "R8C7=4", "R8C6=8", "R3C4=5", "R4C0=5", "R7C8=7", "R0C3=6", "R2C4=7", "R1C8=2", "R8C5=7", "R0C5=1", "R3C1=3", "R3C5=8", "R3C8=6", "R0C2=2", "R7C7=5", "R7C0=1", "R6C2=7", "R2C8=4", "R1C4=3", "R5C7=2", "R6C6=2", "R2C2=8", "R6C3=5", "R4C8=8", "R2C0=3", "R1C1=9", "R4C7=1", "R3C2=1", "R6C1=4", "R7C1=8", "R5C2=9", "R7C6=6", "R7C3=4", "R5C5=4", "R0C6=9", "R3C0=2", "R4C3=9", "R1C3=8", "R6C5=6", "R3C7=9", "R5C6=3", "R8C4=1", "R4C5=3", "R2C6=5", "R8C3=3", "R5C4=6", "R0C1=5" ]
1,110
000314089050000000001090730903070002000006800740005690810609005030200004604700200
276314589359867421481592736963478152125936847748125693812649375537281964694753218
constraint_programming
[ "R2C5=2", "R8C4=5", "R0C2=6", "R4C7=4", "R8C1=9", "R2C1=8", "R4C2=5", "R7C2=7", "R3C1=6", "R3C5=8", "R1C3=8", "R1C7=2", "R4C1=2", "R2C8=6", "R4C3=9", "R5C2=8", "R2C0=4", "R3C3=4", "R0C1=7", "R1C8=1", "R1C6=4", "R7C6=9", "R7C5=1", "R7C7=6", "R0C0=2", "R4C0=1", "R1C5=7", "R8C7=1", "R5C3=1", "R1C4=6", "R5C8=3", "R2C3=5", "R3C7=5", "R1C0=3", "R7C0=5", "R4C8=7", "R6C2=2", "R8C8=8", "R0C6=5", "R8C5=3", "R6C4=4", "R6C7=7", "R6C6=3", "R3C6=1", "R5C4=2", "R4C4=3", "R1C2=9", "R7C4=8" ]
1,111
900001400100070603037009050000006708089030005402850010008903006605480031000000020
956321487124578693837649152513296748789134265462857319248913576675482931391765824
backtracking
[ "R1C7=9", "R4C5=4", "R3C1=1", "R2C8=2", "R3C0=5", "R8C3=7", "R2C0=8", "R3C3=2", "R3C7=4", "R6C7=7", "R3C4=9", "R8C1=9", "R2C4=4", "R0C3=3", "R4C0=7", "R6C4=1", "R8C0=3", "R5C6=3", "R1C2=4", "R8C6=8", "R1C1=2", "R0C4=2", "R2C3=6", "R6C1=4", "R5C8=9", "R0C7=8", "R2C6=1", "R5C1=6", "R4C6=2", "R8C8=4", "R7C6=9", "R0C8=7", "R1C5=8", "R7C5=2", "R0C2=6", "R8C4=6", "R1C3=5", "R5C5=7", "R4C7=6", "R0C1=5", "R8C5=5", "R8C2=1", "R6C0=2", "R3C2=3", "R6C6=5", "R7C1=7", "R4C3=1" ]
1,112
070091085840026039100500700023040670000900000600008301590407060002030800067000010
276391485845726139139584726923145678781963542654278391598417263412639857367852914
backtracking
[ "R7C1=1", "R4C2=1", "R0C2=6", "R4C5=3", "R8C8=4", "R6C6=2", "R4C6=5", "R8C4=5", "R1C2=5", "R3C0=9", "R5C7=9", "R8C0=3", "R4C1=8", "R5C4=7", "R8C5=2", "R2C7=2", "R2C4=8", "R7C7=5", "R1C6=1", "R5C3=2", "R5C2=4", "R7C8=7", "R0C6=4", "R6C2=8", "R2C2=9", "R4C4=6", "R8C6=9", "R3C5=5", "R5C1=5", "R1C3=7", "R2C1=3", "R4C0=7", "R2C8=6", "R2C5=4", "R4C8=2", "R0C0=2", "R7C5=9", "R8C3=8", "R3C3=1", "R7C3=6", "R7C0=4", "R4C7=4", "R6C4=1", "R0C3=3", "R6C8=3", "R3C8=8" ]
1,113
000600002500002039807090100000700490000040053306200000004008621102000000075003008
493617582561482739827395164258731496719846253346259817934578621182964375675123948
backtracking
[ "R1C4=8", "R5C5=9", "R4C1=1", "R4C3=8", "R0C2=3", "R0C5=7", "R7C3=9", "R6C0=9", "R1C3=4", "R4C2=9", "R6C4=7", "R0C6=5", "R5C7=1", "R2C8=4", "R7C5=4", "R8C3=1", "R3C4=3", "R7C7=7", "R6C3=5", "R5C4=5", "R3C5=1", "R4C6=2", "R2C7=6", "R0C0=4", "R8C4=2", "R1C2=1", "R0C4=1", "R3C0=2", "R1C1=6", "R4C0=7", "R7C4=6", "R4C5=6", "R7C1=8", "R8C0=6", "R1C6=7", "R2C1=2", "R5C1=4", "R3C8=6", "R2C5=5", "R0C1=9", "R7C6=3", "R8C6=9", "R0C7=8", "R3C2=8", "R3C1=5", "R2C3=3", "R6C1=3", "R5C6=8", "R7C8=5", "R5C8=7", "R8C7=4" ]
1,114
080023000910400305005000720000000832600900100007005049030008400100209060459310070
784523916912467385365891724591674832643982157827135649236758491178249563459316278
constraint_programming
[ "R0C6=9", "R4C2=3", "R2C5=1", "R6C8=1", "R5C4=3", "R4C7=5", "R8C6=2", "R2C1=6", "R7C1=7", "R1C7=8", "R0C2=4", "R7C4=4", "R5C3=1", "R7C2=8", "R5C0=8", "R3C5=4", "R7C8=3", "R0C7=1", "R0C3=5", "R3C2=1", "R8C5=6", "R2C3=8", "R6C2=6", "R6C4=5", "R4C4=8", "R6C0=2", "R7C6=5", "R0C8=6", "R3C4=7", "R5C6=6", "R4C8=7", "R0C0=7", "R2C4=9", "R2C8=4", "R6C7=9", "R2C0=3", "R3C3=6", "R5C1=2", "R3C0=5", "R1C2=2", "R1C4=6", "R4C1=4", "R1C5=7", "R8C8=8", "R3C1=9", "R4C5=2", "R6C3=7" ]
1,115
170900000003082005902030000300010807500860401040003020700000960084105072000007008
178956243463782195952431786396214857527869431841573629715328964684195372239647518
constraint_programming
[ "R2C5=1", "R3C5=4", "R7C6=3", "R0C5=6", "R2C3=4", "R3C7=5", "R6C5=8", "R1C0=4", "R0C8=3", "R2C7=8", "R0C2=8", "R5C3=5", "R4C2=7", "R5C4=7", "R5C2=1", "R1C6=1", "R0C6=2", "R0C7=4", "R7C0=6", "R8C0=2", "R8C1=3", "R6C4=2", "R8C4=4", "R8C2=9", "R8C6=5", "R3C1=9", "R4C1=2", "R6C3=3", "R1C7=9", "R2C8=6", "R6C1=1", "R1C3=7", "R4C7=3", "R4C5=9", "R0C4=5", "R7C4=9", "R6C8=4", "R5C8=9", "R2C6=7", "R6C2=5", "R1C1=6", "R8C7=1", "R5C6=6", "R3C3=2", "R8C3=6", "R5C0=8", "R3C2=6", "R2C1=5" ]
1,116
060310290700004080283050060930075100007000000600090048400600002000001970809040035
564318297791264583283957461938475126147826359652193748475639812326581974819742635
backtracking
[ "R4C3=8", "R6C4=3", "R4C5=6", "R6C2=5", "R3C3=4", "R3C2=8", "R2C3=9", "R8C1=1", "R0C0=5", "R5C6=7", "R6C7=1", "R0C5=8", "R5C2=2", "R7C2=6", "R7C4=8", "R4C6=3", "R8C5=2", "R6C5=9", "R0C2=4", "R2C5=7", "R1C6=5", "R4C7=5", "R6C1=7", "R7C1=2", "R2C6=4", "R6C6=8", "R1C2=1", "R0C8=7", "R5C3=1", "R4C1=4", "R4C8=9", "R5C5=3", "R4C0=1", "R5C1=5", "R2C8=1", "R1C3=2", "R8C3=7", "R1C1=9", "R7C3=5", "R3C7=2", "R3C8=6", "R7C0=3", "R8C6=6", "R4C4=2", "R1C8=3", "R7C8=4", "R1C4=6" ]
1,117
090060200231007008800100790006001003300058000045070006020930140000000000759400080
597864231231597468864123795986241573372658914145379826628935147413782659759416382
constraint_programming
[ "R0C8=1", "R7C6=6", "R2C4=2", "R6C5=5", "R7C1=1", "R5C3=3", "R6C0=6", "R0C0=5", "R8C8=2", "R8C4=1", "R5C6=8", "R1C6=4", "R0C2=7", "R8C6=3", "R7C5=2", "R0C3=8", "R5C7=2", "R0C5=4", "R6C2=8", "R7C0=4", "R8C5=6", "R3C1=8", "R7C3=7", "R2C5=3", "R4C6=9", "R3C7=7", "R2C2=4", "R7C8=9", "R3C3=2", "R1C3=5", "R1C4=9", "R5C5=9", "R6C8=7", "R4C8=4", "R2C8=5", "R2C1=6", "R3C6=5", "R0C7=3", "R4C2=2", "R3C0=9", "R3C4=4", "R4C1=7", "R1C7=6", "R4C3=6", "R4C7=1", "R7C7=5", "R7C2=3", "R7C4=8", "R5C0=1" ]
1,118
000400603007000090290706000003009048008020500905100320049003786072080010100005004
851492673637851492294736851723569148418327569965148327549213786372684915186975234
constraint_programming
[ "R5C4=4", "R2C7=5", "R4C1=1", "R5C1=6", "R6C4=1", "R3C4=6", "R7C3=6", "R0C5=2", "R4C0=4", "R5C5=8", "R2C2=4", "R3C3=5", "R8C4=7", "R3C1=2", "R2C4=3", "R2C8=1", "R1C6=4", "R7C8=5", "R1C0=6", "R1C5=1", "R7C5=4", "R6C0=5", "R3C0=7", "R5C8=7", "R8C1=8", "R0C1=5", "R1C3=8", "R1C1=3", "R4C3=3", "R0C0=8", "R3C6=1", "R8C3=9", "R0C7=7", "R8C7=3", "R0C2=1", "R0C4=9", "R1C4=5", "R4C5=7", "R4C8=9", "R8C6=2", "R4C7=6", "R7C0=3", "R1C8=2", "R7C6=9", "R6C3=2", "R8C2=6", "R2C6=8" ]
1,119
031090400000706000005300002402053001007000806600470000096001307500002090108000025
731295468824716539965384712482653971357129846619478253296541387573862194148937625
backtracking
[ "R2C6=7", "R6C4=4", "R1C6=5", "R1C1=2", "R8C5=7", "R4C0=3", "R4C5=9", "R0C7=6", "R8C6=6", "R1C0=8", "R3C1=8", "R6C7=8", "R0C0=7", "R4C4=2", "R4C1=5", "R2C4=8", "R7C6=1", "R6C3=5", "R8C3=9", "R3C3=6", "R1C8=9", "R6C0=2", "R7C2=3", "R2C5=4", "R3C6=9", "R2C7=1", "R0C8=8", "R5C8=3", "R7C3=8", "R5C7=5", "R4C3=1", "R1C4=1", "R1C7=3", "R2C0=9", "R5C6=2", "R0C5=5", "R5C2=9", "R7C8=4", "R5C1=1", "R0C3=2", "R4C7=4", "R7C1=7", "R3C7=7", "R7C4=6", "R8C4=3", "R2C1=6", "R1C2=4", "R8C1=4", "R5C5=8" ]
1,120
510007002072400008000005040065002803708103060490070000046020300000800910300096050
514387692672419538839265741165942873728153469493678125946521387257834916381796254
backtracking
[ "R5C7=2", "R8C8=4", "R7C2=7", "R7C4=3", "R5C8=5", "R0C3=3", "R3C0=1", "R7C0=2", "R2C0=8", "R8C6=2", "R4C4=5", "R4C8=9", "R5C3=6", "R8C3=7", "R3C7=7", "R2C2=9", "R7C1=5", "R5C6=1", "R6C7=8", "R1C7=3", "R6C0=9", "R8C2=1", "R5C5=8", "R1C6=5", "R1C0=6", "R0C2=4", "R0C4=8", "R0C6=6", "R2C3=2", "R4C6=4", "R6C3=5", "R7C5=4", "R2C1=3", "R0C7=9", "R7C8=6", "R2C4=6", "R3C3=9", "R2C8=1", "R6C8=7", "R3C4=4", "R2C6=7", "R4C1=2", "R1C5=9", "R8C1=8", "R5C2=3", "R1C4=1", "R6C5=1" ]
1,121
018076004200800310005200800300005000067000400009080231506400070100093600040500902
918376524274859316635214897321945768867132459459687231596428173182793645743561982
backtracking
[ "R4C5=2", "R3C6=7", "R6C5=8", "R2C5=4", "R4C0=8", "R3C7=6", "R7C1=8", "R2C7=9", "R6C1=9", "R2C4=1", "R6C6=1", "R1C5=9", "R8C7=8", "R8C0=7", "R7C3=7", "R3C8=8", "R1C1=7", "R3C2=1", "R2C8=7", "R5C3=6", "R0C6=5", "R0C0=9", "R1C4=5", "R3C4=4", "R8C5=1", "R6C4=2", "R0C7=2", "R7C8=5", "R8C4=6", "R5C1=5", "R7C2=2", "R4C7=5", "R2C0=6", "R3C1=2", "R1C8=6", "R5C0=4", "R3C3=9", "R2C1=3", "R1C2=4", "R7C7=4", "R4C3=1", "R4C8=9", "R8C2=3", "R0C3=3", "R4C4=3", "R6C8=3", "R5C5=7" ]
1,122
570010800090600020000400005380940002201308006060500700015890063009030104000002007
576213849498657321132489675387946512251378496964521738715894263629735184843162957
constraint_programming
[ "R1C4=5", "R7C0=6", "R5C7=3", "R4C6=4", "R1C0=4", "R2C1=3", "R1C8=1", "R2C7=7", "R1C6=3", "R0C3=2", "R8C7=5", "R8C0=8", "R1C2=8", "R7C5=5", "R3C2=7", "R3C5=6", "R8C4=6", "R2C4=8", "R8C2=3", "R0C8=9", "R0C5=3", "R6C6=2", "R4C7=9", "R5C8=8", "R5C2=4", "R8C6=9", "R1C5=7", "R5C0=9", "R0C2=6", "R3C7=1", "R7C1=2", "R2C2=2", "R5C4=2", "R8C3=1", "R4C1=5", "R3C6=5", "R2C5=9", "R5C5=1", "R7C3=7", "R2C0=1", "R6C0=7", "R8C1=4", "R7C7=8", "R2C6=6", "R6C5=4", "R0C7=4", "R4C4=7" ]
1,123
003008900600230108708605002000742050060001030409000801840050090200090706010307000
123478965654239178798615342381742659562981437479563821847156293235894716916327584
constraint_programming
[ "R7C3=8", "R4C6=4", "R3C2=1", "R5C7=2", "R4C3=9", "R7C7=1", "R3C1=8", "R2C7=4", "R7C5=4", "R4C0=5", "R5C4=6", "R5C3=5", "R7C2=5", "R8C4=2", "R6C3=1", "R2C6=3", "R6C6=2", "R0C4=7", "R1C2=4", "R1C7=7", "R6C5=6", "R8C2=6", "R8C8=4", "R5C1=7", "R3C6=6", "R5C5=3", "R8C0=9", "R1C1=5", "R3C8=9", "R8C7=8", "R4C4=8", "R4C2=2", "R0C3=4", "R8C6=5", "R6C2=7", "R6C8=3", "R2C1=9", "R1C5=9", "R0C7=6", "R3C0=3", "R4C8=7", "R2C4=1", "R0C8=5", "R0C0=1", "R7C1=3", "R0C1=2" ]
1,124
027000400000040089008957003030025060100000070590601308641002005000518090800060020
927183456315246789468957213734825961186439572592671348641792835273518694859364127
backtracking
[ "R4C4=3", "R2C7=1", "R8C8=7", "R0C8=6", "R5C7=4", "R6C7=3", "R0C7=5", "R3C3=8", "R1C6=7", "R8C5=4", "R4C2=6", "R3C8=1", "R0C0=9", "R0C5=3", "R4C5=9", "R7C1=7", "R3C0=7", "R1C3=2", "R5C2=2", "R7C8=4", "R2C6=2", "R4C1=8", "R8C2=9", "R8C6=1", "R4C8=2", "R5C4=7", "R6C4=9", "R1C0=3", "R6C6=8", "R1C2=5", "R0C4=8", "R4C6=5", "R2C1=6", "R1C5=6", "R4C3=4", "R7C0=2", "R8C3=3", "R2C0=4", "R3C2=4", "R6C3=7", "R8C1=5", "R1C1=1", "R0C3=1", "R7C6=6", "R3C6=9", "R7C2=3" ]
1,125
010062900009000002703500040037040200160020080040610509800001003400370005000089167
514762938689134752723598641937845216165927384248613579876251493491376825352489167
backtracking
[ "R7C6=8", "R8C1=5", "R0C0=5", "R5C5=3", "R1C6=7", "R1C1=8", "R7C5=6", "R2C1=2", "R4C5=7", "R4C2=5", "R1C7=5", "R5C2=8", "R2C8=1", "R8C2=2", "R6C7=9", "R3C3=8", "R0C8=8", "R7C2=1", "R7C7=2", "R1C3=1", "R6C1=7", "R1C5=4", "R3C5=5", "R6C6=4", "R4C6=3", "R3C0=9", "R1C4=3", "R8C3=4", "R3C7=1", "R2C4=9", "R8C0=3", "R5C0=2", "R6C2=6", "R4C8=4", "R3C8=6", "R0C3=7", "R0C7=3", "R7C1=9", "R2C6=6", "R6C4=5", "R0C2=4", "R2C5=8", "R4C3=9", "R5C7=7", "R1C0=6", "R6C3=2" ]
1,126
780093000605200300040600800009000001000035040001769200260400070100080504300002160
782593416615248397943617852579824631826135749431769285268451973197386524354972168
backtracking
[ "R3C3=8", "R6C2=8", "R1C8=7", "R8C8=8", "R1C4=4", "R7C7=2", "R4C3=1", "R3C7=3", "R2C2=3", "R3C4=2", "R8C2=4", "R0C8=6", "R0C6=4", "R4C2=6", "R2C8=2", "R6C6=9", "R8C1=5", "R5C0=4", "R7C1=9", "R4C6=7", "R2C7=5", "R7C3=3", "R0C2=2", "R6C8=3", "R8C3=9", "R2C4=1", "R5C8=5", "R5C7=8", "R1C5=8", "R6C4=5", "R2C5=7", "R4C8=9", "R2C0=9", "R0C3=5", "R3C5=4", "R3C1=7", "R7C5=6", "R1C1=1", "R4C1=2", "R4C0=8", "R8C4=7", "R1C7=9", "R3C0=5", "R3C6=6", "R6C5=1", "R0C7=1", "R5C1=3", "R7C2=7" ]
1,127
090000501084306000700149000508000010300702008400000296006000035005400100030028760
693287541184356972752149683528694317369712458417835296246971835875463129931528764
backtracking
[ "R3C3=6", "R6C1=4", "R6C6=8", "R4C6=4", "R2C1=5", "R2C7=8", "R6C5=1", "R5C4=3", "R6C3=9", "R6C0=2", "R0C4=8", "R0C2=3", "R0C7=4", "R3C1=2", "R3C5=4", "R3C4=9", "R1C4=5", "R0C5=7", "R3C8=7", "R7C7=2", "R1C7=7", "R0C0=6", "R5C3=8", "R7C5=3", "R4C4=1", "R8C3=5", "R3C6=3", "R5C1=1", "R1C6=9", "R7C4=6", "R6C4=7", "R7C0=8", "R5C2=7", "R8C0=9", "R7C8=9", "R1C0=1", "R8C8=4", "R0C3=2", "R4C2=9", "R4C1=6", "R5C5=5", "R1C8=2", "R2C8=3", "R4C7=5", "R7C1=7", "R8C2=1", "R2C6=6", "R2C2=2" ]
1,128
000004580100000700000800639083650000940081002001000000060100953000007040000592106
396274581158936724427815639283659417945781362671423895762148953519367248834592176
backtracking
[ "R4C6=3", "R6C0=7", "R4C7=6", "R7C8=8", "R5C0=6", "R5C8=5", "R1C1=5", "R7C3=3", "R6C2=2", "R3C6=4", "R0C3=2", "R0C4=7", "R0C1=9", "R5C6=8", "R2C4=1", "R3C0=2", "R7C4=6", "R5C4=2", "R3C8=7", "R8C2=4", "R2C0=4", "R8C0=8", "R7C2=9", "R6C5=8", "R8C7=7", "R1C8=4", "R5C1=7", "R1C3=9", "R7C6=2", "R4C2=5", "R0C0=3", "R2C1=2", "R7C0=5", "R3C7=1", "R4C3=7", "R0C8=1", "R6C4=4", "R8C1=3", "R5C7=9", "R2C5=5", "R1C2=8", "R5C5=3", "R1C7=2", "R5C3=4", "R0C2=6", "R1C5=6", "R1C4=3", "R3C5=9", "R7C1=1", "R2C2=7" ]
1,129
000900200630010070070053004500609017000180420260047080380092600000700500109008000
814976253635214879972853164548629317793185426261347985387592641426731598159468732
backtracking
[ "R3C2=8", "R8C3=4", "R0C1=1", "R7C4=3", "R4C1=9", "R6C7=4", "R8C6=7", "R3C1=4", "R5C8=5", "R1C5=4", "R7C8=8", "R2C3=8", "R0C7=5", "R2C2=2", "R7C0=4", "R3C4=2", "R1C2=5", "R0C5=6", "R8C8=2", "R0C2=4", "R8C4=6", "R3C6=3", "R2C7=6", "R0C8=3", "R4C2=3", "R4C8=6", "R1C3=2", "R2C0=9", "R5C3=3", "R4C0=7", "R4C5=5", "R0C4=7", "R0C0=8", "R7C2=6", "R2C6=1", "R7C7=9", "R6C8=1", "R7C1=2", "R7C5=1", "R6C3=5", "R1C6=8", "R6C2=7", "R8C7=3", "R5C2=1", "R1C8=9", "R8C1=5", "R5C6=9" ]
1,130
030000062004085700071690008200018903000057040000003100400030051005009600068001304
839174562624385719571692438256418973183957246947263185492736851315849627768521394
constraint_programming
[ "R4C8=6", "R6C3=7", "R6C6=8", "R1C1=2", "R1C3=3", "R8C7=9", "R0C5=4", "R5C1=4", "R5C4=6", "R0C2=9", "R8C4=2", "R4C6=2", "R3C1=5", "R7C1=1", "R4C1=8", "R1C8=9", "R1C0=6", "R1C7=1", "R7C3=8", "R2C5=2", "R7C4=4", "R8C0=7", "R5C7=8", "R4C2=3", "R5C0=9", "R3C3=4", "R0C6=5", "R3C2=6", "R0C3=1", "R0C0=8", "R3C7=7", "R6C5=6", "R4C0=1", "R8C3=5", "R2C6=4", "R5C2=7", "R2C0=5", "R5C3=2", "R6C1=9", "R7C7=2", "R2C7=3", "R4C3=9", "R0C4=7", "R5C8=5", "R7C8=7", "R7C0=3", "R6C2=2" ]
1,131
000500240040060000900100568180000730700203089206800000600905370307004105090070000
861539247542768913973142568189456732754213689236897451618925374327684195495371826
constraint_programming
[ "R7C7=9", "R1C8=3", "R0C4=3", "R1C5=8", "R8C6=8", "R3C4=5", "R3C2=9", "R5C8=1", "R0C1=6", "R0C8=7", "R1C7=1", "R6C2=8", "R5C4=9", "R4C6=6", "R4C2=4", "R8C2=5", "R4C1=5", "R8C8=6", "R1C0=5", "R2C5=2", "R0C5=9", "R2C2=3", "R5C7=5", "R3C8=2", "R8C5=1", "R1C6=9", "R7C3=6", "R8C3=3", "R7C1=2", "R2C1=7", "R8C7=2", "R1C2=2", "R0C2=1", "R8C0=4", "R6C1=1", "R6C8=4", "R1C3=7", "R6C4=2", "R5C6=4", "R3C3=4", "R5C5=7", "R2C4=4", "R5C1=3", "R7C4=8", "R0C0=8", "R3C5=6", "R4C4=1" ]
1,132
265040300040006009030208050480090100071000942006010000000830001790004063002705400
265941387847356219139278654483592176571683942926417835654839721798124563312765498
backtracking
[ "R8C1=1", "R3C5=2", "R4C4=8", "R7C3=1", "R5C6=8", "R6C0=6", "R1C3=3", "R8C8=8", "R7C2=8", "R4C3=6", "R4C5=3", "R2C4=7", "R5C5=7", "R8C7=9", "R5C7=3", "R3C3=5", "R7C4=2", "R1C6=2", "R2C2=9", "R0C3=9", "R5C1=2", "R8C0=3", "R5C0=9", "R0C7=8", "R6C5=9", "R6C6=7", "R3C2=3", "R5C3=4", "R6C7=2", "R6C2=4", "R8C4=6", "R5C8=5", "R3C8=6", "R4C0=5", "R2C8=4", "R2C6=6", "R1C2=7", "R3C7=7", "R1C0=8", "R6C1=5", "R2C0=1", "R7C6=5", "R0C8=7", "R1C7=1", "R0C5=1", "R1C4=5" ]
1,133
037940012800012604002000000004501007290360000010000050080609700500003901003028400
637945812859712634142836579364581297295367148718294356481659723526473981973128465
backtracking
[ "R6C2=1", "R5C8=6", "R4C8=8", "R0C6=8", "R0C5=5", "R6C4=5", "R7C2=6", "R5C2=8", "R4C7=4", "R3C7=9", "R5C6=3", "R8C3=1", "R6C7=2", "R2C0=1", "R2C8=9", "R2C4=3", "R7C1=2", "R5C4=9", "R7C4=7", "R3C4=8", "R5C0=7", "R5C3=2", "R1C2=9", "R8C1=7", "R3C1=6", "R8C0=9", "R1C1=5", "R4C5=7", "R6C0=4", "R8C8=5", "R2C1=4", "R7C3=4", "R2C6=5", "R4C2=5", "R2C7=7", "R3C6=2", "R1C3=7", "R6C8=3", "R7C7=8", "R2C5=6", "R8C7=6", "R2C3=8", "R3C0=3", "R1C7=3", "R0C0=6", "R4C6=1", "R5C5=4" ]
1,134
500090700040102300026050080708005600309701040000006100100020064090870203400003050
531498726847162395926357481718245639369781542254936178173529864695874213482613957
backtracking
[ "R4C6=5", "R0C1=3", "R0C7=2", "R6C6=8", "R1C0=8", "R2C6=4", "R8C8=7", "R7C7=1", "R3C3=2", "R2C3=3", "R5C2=4", "R2C8=1", "R0C5=8", "R3C8=9", "R1C7=9", "R8C1=8", "R6C5=9", "R8C4=1", "R3C1=1", "R8C2=2", "R1C2=7", "R7C2=5", "R1C4=6", "R8C3=6", "R4C1=6", "R5C3=9", "R5C0=2", "R4C8=2", "R7C0=6", "R5C1=5", "R6C2=3", "R8C6=9", "R0C3=4", "R2C5=7", "R3C4=4", "R3C7=3", "R6C1=7", "R0C8=6", "R6C3=5", "R5C8=8", "R5C7=7", "R4C4=8", "R1C8=5", "R7C5=4", "R5C4=3", "R2C0=9", "R0C2=1" ]
1,135
102065007800020930050800000703001609090040002000350084005002170901000028604700000
132965847867124935459873261743281659598647312216359784385492176971536428624718593
backtracking
[ "R7C6=4", "R8C4=1", "R5C5=9", "R6C8=6", "R1C5=4", "R1C2=7", "R2C7=6", "R8C8=3", "R2C2=9", "R3C1=4", "R0C1=3", "R6C0=3", "R1C1=6", "R4C0=5", "R2C8=1", "R4C6=3", "R0C7=4", "R2C0=4", "R7C1=7", "R8C7=9", "R1C3=1", "R4C7=1", "R1C8=5", "R5C0=2", "R5C6=7", "R3C4=8", "R5C2=6", "R3C3=2", "R4C3=6", "R7C3=5", "R6C4=9", "R2C5=3", "R8C6=5", "R2C4=7", "R0C3=9", "R4C5=7", "R0C6=8", "R8C5=8", "R3C7=5", "R7C4=3", "R7C5=6", "R6C3=4", "R6C1=8", "R2C6=2", "R8C1=2", "R5C1=1", "R4C2=8" ]
1,136
007065030068030005002400900000080000749500600200300140500000708006219300900800210
497165832168932475352478961613784529749521683285396147521643798876219354934857216
backtracking
[ "R6C7=9", "R6C5=3", "R1C5=2", "R8C2=4", "R5C8=7", "R3C2=3", "R8C1=3", "R1C6=4", "R3C3=7", "R8C5=7", "R5C5=6", "R8C8=6", "R8C4=5", "R4C7=8", "R4C8=3", "R7C1=7", "R3C6=5", "R7C8=4", "R5C2=5", "R5C1=8", "R7C0=8", "R0C3=1", "R6C2=1", "R0C0=4", "R2C7=6", "R6C3=6", "R2C5=8", "R4C4=2", "R0C6=8", "R2C8=1", "R5C4=9", "R3C7=2", "R1C0=1", "R1C3=9", "R3C0=6", "R4C5=1", "R2C1=5", "R0C8=2", "R3C1=1", "R3C8=9", "R0C1=9", "R1C7=7", "R3C5=4", "R6C4=4", "R2C4=7", "R7C7=5", "R6C1=2", "R2C0=3" ]
1,137
016004005980501000400080076008072630100000002002300980005800000300906240000040067
216734895987561423453289176598472631134698752762315984645827319371956248829143567
constraint_programming
[ "R7C8=8", "R1C7=2", "R7C1=7", "R2C6=1", "R2C5=9", "R4C1=3", "R1C2=7", "R0C4=3", "R3C0=5", "R3C1=9", "R4C6=7", "R5C5=5", "R5C4=1", "R6C4=2", "R8C1=2", "R1C6=4", "R7C4=5", "R4C5=8", "R2C1=5", "R2C3=2", "R0C6=8", "R6C7=1", "R3C3=4", "R4C2=4", "R8C6=5", "R8C0=8", "R0C3=7", "R2C2=3", "R5C0=7", "R6C5=7", "R0C7=9", "R5C1=6", "R4C3=6", "R6C0=6", "R1C8=3", "R4C7=5", "R8C3=1", "R5C8=4", "R0C0=2", "R6C1=4", "R8C2=9", "R4C4=9", "R8C5=3", "R6C8=9", "R6C6=3", "R1C4=6", "R7C2=1", "R3C8=1" ]
1,138
000010030600720405793600000400006800378204600050000907040102508800000010060059000
524918736681723495793645182419576823378294651256381947947132568835467219162859374
backtracking
[ "R2C5=5", "R3C4=7", "R0C6=7", "R8C3=8", "R4C7=5", "R8C8=4", "R8C2=2", "R5C7=4", "R2C8=2", "R7C4=6", "R7C1=3", "R0C3=9", "R7C3=4", "R6C0=9", "R4C4=9", "R1C1=8", "R4C8=1", "R7C6=2", "R1C2=1", "R5C2=6", "R5C5=1", "R8C7=7", "R0C1=2", "R3C1=1", "R5C0=2", "R3C8=3", "R5C4=8", "R8C6=3", "R2C6=1", "R6C4=3", "R0C8=6", "R2C7=8", "R3C2=9", "R6C2=7", "R0C0=5", "R0C2=4", "R7C5=7", "R0C5=8", "R7C8=9", "R3C7=2", "R8C0=1", "R6C7=6", "R1C5=3", "R7C2=5", "R1C7=9", "R3C3=5", "R2C4=4", "R5C3=3" ]
1,139
007001509020050067008209000060900051300026040081700003900000480000607310000304902
437861529129453867658279134764938251395126748281745693973512486842697315516384972
backtracking
[ "R7C0=8", "R0C7=2", "R8C4=8", "R5C4=4", "R4C2=5", "R4C1=9", "R8C7=7", "R6C8=6", "R8C0=5", "R8C2=6", "R3C4=3", "R5C7=9", "R4C8=8", "R0C4=6", "R2C6=1", "R0C3=8", "R6C5=2", "R2C7=3", "R0C1=3", "R2C0=6", "R7C8=5", "R5C6=6", "R6C3=5", "R1C6=8", "R4C6=7", "R3C6=2", "R8C1=1", "R6C1=7", "R1C5=3", "R5C5=5", "R2C1=5", "R2C8=4", "R3C2=4", "R7C2=2", "R5C0=2", "R1C3=4", "R0C0=4", "R6C4=1", "R4C3=1", "R2C4=7", "R1C2=9", "R3C0=7", "R1C0=1", "R7C1=4", "R6C2=3", "R3C5=8", "R7C4=9" ]
1,140
000076030200000407000020985407890210032001050900063040780410000300000000019500820
548976132293158467176324985467895213832741659951263748785412396324689571619537824
backtracking
[ "R2C1=7", "R0C1=4", "R1C7=6", "R1C2=3", "R3C8=3", "R5C8=8", "R6C6=3", "R4C0=8", "R7C1=2", "R0C0=5", "R0C2=8", "R0C6=1", "R4C4=4", "R0C3=9", "R0C8=2", "R3C5=5", "R8C5=7", "R7C8=1", "R3C1=6", "R8C4=3", "R7C6=5", "R4C8=9", "R6C8=6", "R7C3=6", "R7C5=9", "R5C3=2", "R6C7=9", "R1C4=5", "R7C4=8", "R6C5=2", "R2C5=4", "R2C0=1", "R4C3=7", "R1C3=1", "R7C2=4", "R8C8=4", "R2C3=3", "R1C1=9", "R1C5=8", "R6C2=5", "R7C7=7", "R5C2=1", "R2C2=6", "R5C6=7", "R8C0=6", "R5C1=5", "R4C6=6" ]
1,141
000079100010300002008040309540190600600080070870402000420610500309000860000005027
235879146914356782768241359542197638691583274873462915427618593359724861186935427
constraint_programming
[ "R2C1=6", "R2C3=2", "R0C1=3", "R2C0=7", "R3C7=3", "R0C2=5", "R5C8=5", "R1C7=8", "R6C8=3", "R4C6=2", "R7C1=5", "R8C0=1", "R1C0=9", "R1C5=6", "R0C7=4", "R8C2=6", "R5C6=9", "R3C8=8", "R4C1=9", "R8C3=9", "R2C5=1", "R1C6=7", "R5C4=6", "R4C2=1", "R2C7=5", "R1C4=5", "R8C6=4", "R0C3=8", "R4C3=5", "R6C7=9", "R4C5=3", "R6C5=8", "R5C2=3", "R6C2=7", "R0C8=6", "R5C7=1", "R8C4=3", "R1C2=4", "R0C0=2", "R7C8=1", "R7C4=2", "R3C5=7", "R7C5=4", "R3C2=2", "R8C1=8", "R4C8=4", "R7C3=7" ]
1,142
000190070020084100009056803000003058602000009010500600930200701008400060060000435
386192574725384196149756823497613258652847319813529647934265781578431962261978435
backtracking
[ "R8C0=2", "R6C2=4", "R0C1=8", "R1C0=7", "R4C7=1", "R3C2=7", "R4C4=4", "R1C8=6", "R1C3=3", "R7C8=2", "R1C7=9", "R1C2=5", "R8C2=1", "R7C0=5", "R0C6=5", "R2C0=1", "R8C3=9", "R6C5=5", "R6C4=6", "R4C3=8", "R0C0=3", "R3C1=9", "R7C5=1", "R3C6=2", "R3C3=6", "R3C0=4", "R5C2=3", "R5C8=7", "R2C1=4", "R7C1=7", "R0C2=6", "R4C5=7", "R2C7=2", "R3C4=1", "R5C4=2", "R6C7=8", "R8C4=7", "R8C5=8", "R5C7=4", "R7C6=9", "R5C0=8", "R5C5=9", "R4C6=3", "R2C3=7", "R0C8=4", "R0C5=2", "R7C4=3", "R4C1=5" ]
1,143
010800300087095001600320000005067102409050000000203809200700460106030080900004005
512876394387495621694321578835967142429158736761243859258719463146532987973684215
constraint_programming
[ "R6C1=5", "R7C5=2", "R0C7=9", "R7C1=4", "R2C5=1", "R4C5=8", "R3C3=9", "R5C0=7", "R3C7=4", "R6C8=3", "R1C6=6", "R5C4=4", "R5C2=1", "R3C1=3", "R4C3=1", "R8C6=2", "R5C1=6", "R1C7=2", "R3C0=8", "R0C2=2", "R6C5=9", "R6C2=8", "R7C3=5", "R1C0=3", "R4C1=2", "R0C5=6", "R0C8=4", "R4C8=6", "R2C7=7", "R0C4=7", "R8C2=3", "R4C7=3", "R5C7=5", "R8C3=6", "R4C6=7", "R2C8=8", "R7C8=7", "R6C4=1", "R2C6=5", "R2C2=4", "R0C0=5", "R8C1=7", "R8C4=8", "R1C3=4", "R2C1=9", "R8C7=1", "R7C6=9" ]
1,144
000102000060300080081050009400908015059037004200010076003509402007060030005040100
794182653562394781381756249476928315159637824238415976813579462947261538625843197
backtracking
[ "R6C4=7", "R8C5=3", "R7C5=1", "R1C6=7", "R7C1=4", "R7C8=8", "R3C2=6", "R8C0=6", "R8C1=2", "R2C6=2", "R5C5=5", "R2C5=6", "R0C2=4", "R4C7=2", "R0C4=8", "R0C1=9", "R7C3=2", "R6C0=8", "R0C7=5", "R4C3=6", "R1C0=5", "R8C8=7", "R1C4=9", "R8C7=9", "R5C6=9", "R1C2=2", "R2C7=4", "R5C2=8", "R3C4=2", "R3C6=3", "R6C1=1", "R7C6=5", "R1C8=1", "R0C6=6", "R4C6=8", "R1C5=4", "R6C7=6", "R8C3=8", "R5C3=4", "R3C1=7", "R4C0=1", "R2C3=7", "R0C0=7", "R0C8=3", "R7C0=9", "R2C0=3", "R5C1=3" ]
1,145
601000208000056079004080061200407850039000000740010006500268300008000700120749000
651974238382156479974382561216497853839625147745813926597268314468531792123749685
constraint_programming
[ "R2C6=5", "R6C2=7", "R4C8=7", "R4C7=4", "R4C0=8", "R1C1=8", "R0C4=7", "R1C6=4", "R1C3=1", "R2C0=9", "R7C1=6", "R3C4=9", "R0C3=9", "R5C3=8", "R3C1=1", "R8C8=5", "R4C3=6", "R7C7=9", "R6C1=9", "R2C3=3", "R2C5=2", "R1C0=3", "R7C8=2", "R1C2=2", "R2C1=7", "R5C6=9", "R7C5=1", "R4C5=5", "R4C4=2", "R5C5=3", "R7C0=4", "R7C3=5", "R0C5=4", "R4C6=1", "R5C7=2", "R3C8=3", "R0C7=3", "R5C2=5", "R8C7=8", "R3C2=6", "R7C4=3", "R6C7=1", "R8C6=6", "R6C8=4", "R8C2=3", "R0C1=5" ]
1,146
010020004700906080200450600003600090507082000008001230602030510901075003040009008
816723954754916382239458671123647895597382146468591237672834519981275463345169728
constraint_programming
[ "R0C5=3", "R3C0=1", "R1C8=2", "R1C4=1", "R6C1=7", "R7C6=4", "R4C3=3", "R3C1=2", "R8C7=2", "R1C1=5", "R4C8=6", "R0C2=6", "R5C1=6", "R3C8=5", "R2C7=7", "R4C6=1", "R8C4=6", "R6C3=8", "R6C5=4", "R0C6=9", "R8C0=3", "R3C4=4", "R2C5=8", "R5C3=5", "R8C2=5", "R7C1=8", "R4C1=9", "R5C8=7", "R2C1=3", "R1C6=3", "R0C7=5", "R5C4=9", "R0C3=7", "R2C2=9", "R8C3=1", "R8C6=7", "R1C2=4", "R5C0=4", "R3C6=8", "R6C8=9", "R3C5=7", "R7C3=2", "R2C8=1", "R7C7=6", "R0C0=8", "R4C7=4" ]
1,147
030900784010670003045200000000006000000008512907045030006030008258000001004000670
632951784819674253745283169581326947463798512927145836176539428258467391394812675
backtracking
[ "R0C4=5", "R6C6=4", "R5C3=1", "R4C1=6", "R8C3=8", "R2C5=3", "R0C5=1", "R4C3=7", "R3C1=8", "R2C7=6", "R7C7=9", "R3C2=1", "R1C5=4", "R8C1=9", "R3C7=4", "R6C5=9", "R4C0=4", "R8C4=1", "R4C2=3", "R3C4=2", "R7C6=3", "R5C1=2", "R0C0=6", "R3C3=3", "R1C0=8", "R7C3=4", "R7C5=7", "R1C7=5", "R4C4=9", "R2C4=8", "R6C0=1", "R5C6=8", "R1C2=9", "R8C5=2", "R6C1=7", "R3C8=7", "R3C6=9", "R6C7=2", "R8C8=5", "R2C0=7", "R1C6=2", "R2C8=9", "R6C3=5", "R3C0=5", "R8C0=3", "R7C4=6", "R2C6=1", "R0C2=2", "R5C8=6" ]
1,148
003500298000040000690000071000070040800961300200008016500104700302000000406287500
743516298128749653695823471961372845854961327237458916589134762372695184416287539
backtracking
[ "R3C6=8", "R7C5=5", "R0C4=1", "R1C3=7", "R0C1=4", "R7C4=9", "R1C7=5", "R6C2=9", "R4C1=5", "R7C3=6", "R1C5=9", "R3C8=5", "R2C4=2", "R3C3=3", "R5C3=4", "R8C7=3", "R8C8=9", "R2C3=8", "R0C5=6", "R3C5=2", "R1C6=6", "R6C4=3", "R3C1=6", "R6C8=2", "R4C7=2", "R1C0=1", "R3C0=9", "R2C5=3", "R5C4=5", "R1C2=8", "R4C8=7", "R3C2=1", "R7C6=1", "R8C1=1", "R5C6=9", "R7C8=4", "R5C2=7", "R1C1=2", "R6C7=6", "R0C0=7", "R4C2=4", "R5C1=3", "R6C1=8", "R7C1=7", "R1C8=3", "R2C2=5", "R2C6=4", "R7C7=8" ]
1,149
940002010023050604006800003030709060260130078400000000000401096570000230001500800
948362715123957684756814923835749162269135478417286359382471596574698231691523847
backtracking
[ "R2C7=2", "R4C6=4", "R2C4=1", "R3C0=8", "R5C8=9", "R7C5=8", "R1C5=7", "R7C8=1", "R5C1=1", "R5C3=2", "R1C7=8", "R2C6=9", "R4C2=9", "R6C6=5", "R0C4=6", "R0C3=3", "R1C0=1", "R3C8=2", "R5C4=8", "R6C2=2", "R3C2=5", "R3C6=1", "R3C4=4", "R8C8=7", "R2C0=7", "R6C4=7", "R8C5=3", "R0C2=8", "R8C1=9", "R0C6=7", "R7C2=4", "R1C3=9", "R6C0=3", "R5C2=7", "R5C5=6", "R8C4=2", "R8C0=6", "R2C5=4", "R5C6=3", "R4C5=5", "R8C7=4", "R6C1=8", "R7C3=6", "R7C4=9", "R5C7=5", "R0C8=5", "R2C1=5" ]
1,150
306000000094100005500007136200800000609700803008039740427006900001095604000001020
316528497794163285582947136273814569649752813158639742427386951831295674965471328
backtracking
[ "R1C0=7", "R8C0=9", "R5C8=2", "R2C1=8", "R7C0=8", "R3C6=5", "R8C6=3", "R0C3=5", "R0C8=7", "R1C7=8", "R0C1=1", "R6C8=1", "R4C1=4", "R8C3=4", "R5C1=5", "R0C7=9", "R1C6=2", "R8C8=8", "R6C7=5", "R2C2=2", "R7C3=2", "R3C2=3", "R2C4=4", "R1C5=3", "R8C2=5", "R2C3=9", "R8C1=6", "R7C1=3", "R1C4=6", "R5C3=6", "R3C5=4", "R7C7=7", "R6C4=8", "R4C5=2", "R8C4=7", "R0C6=4", "R3C4=1", "R3C8=9", "R3C7=6", "R6C3=3", "R4C7=1", "R4C4=5", "R0C5=8", "R5C0=1", "R3C1=7", "R0C4=2" ]
1,151
009510070460003200010000509200604957000928003300000408070805010600300000150000046
839512674465793281712486539281634957547928163396157428974865312628341795153279846
backtracking
[ "R2C2=2", "R3C1=8", "R7C7=9", "R6C8=2", "R5C2=6", "R7C6=7", "R5C3=1", "R6C6=3", "R8C2=3", "R7C8=5", "R0C1=3", "R2C3=4", "R1C3=7", "R4C1=4", "R7C1=2", "R8C3=2", "R0C6=6", "R5C4=5", "R0C5=2", "R8C6=8", "R4C2=7", "R2C7=3", "R7C5=1", "R2C5=6", "R5C1=9", "R0C0=8", "R1C2=5", "R4C6=1", "R6C0=9", "R2C4=8", "R7C2=8", "R4C0=5", "R8C5=9", "R2C0=7", "R5C5=7", "R1C8=1", "R1C4=9", "R3C2=1", "R1C7=8", "R8C4=7", "R3C4=3", "R0C8=4", "R6C2=4", "R4C7=6", "R5C7=2", "R7C4=4", "R6C4=6" ]
1,152
000270891000040060259100700040500017060900000100008900080001035005620104306000000
634275891871349562259186743948562317563917428127438956482791635795623184316854279
backtracking
[ "R3C5=2", "R8C5=4", "R1C2=1", "R5C3=4", "R1C3=3", "R8C4=5", "R6C6=6", "R1C1=7", "R2C8=3", "R3C0=9", "R7C0=7", "R0C2=4", "R8C3=8", "R5C1=2", "R5C2=7", "R8C7=7", "R2C5=6", "R5C8=6", "R6C4=9", "R4C6=4", "R4C2=3", "R4C4=1", "R1C5=9", "R4C5=7", "R4C8=8", "R1C8=2", "R6C3=7", "R7C7=8", "R5C4=3", "R7C1=9", "R2C7=4", "R8C6=2", "R3C4=6", "R0C0=6", "R2C4=8", "R0C5=5", "R4C7=2", "R6C0=4", "R7C5=3", "R3C6=3", "R6C2=2", "R5C7=5", "R8C8=9", "R4C0=5", "R8C1=1", "R3C2=8", "R0C1=3", "R1C0=8", "R1C6=5" ]
1,153
705000849004500000130002760480100970000387050200006010040050000916030002000908031
725613849864579123139842765483125976691387254257496318348251697916734582572968431
backtracking
[ "R3C5=5", "R8C1=7", "R4C0=6", "R0C5=3", "R1C1=6", "R6C2=8", "R1C8=3", "R5C8=8", "R5C6=3", "R1C7=2", "R6C8=7", "R7C5=4", "R8C6=4", "R1C5=9", "R2C4=4", "R8C2=2", "R1C6=1", "R5C2=7", "R3C8=6", "R7C6=5", "R5C3=4", "R4C6=2", "R6C6=6", "R2C3=8", "R0C3=6", "R8C4=6", "R4C1=9", "R0C4=1", "R4C2=1", "R1C4=7", "R4C8=4", "R3C4=2", "R7C7=8", "R1C0=8", "R5C4=9", "R6C0=3", "R5C1=5", "R6C3=2", "R3C2=3", "R6C5=1", "R0C1=2", "R2C8=5", "R7C3=7", "R8C0=5", "R6C7=9", "R2C2=9" ]
1,154
008504600903002010010007082004000703000100025500706900060900000031005200209803004
728514639943682517615397482194258763376149825582736941467921358831475296259863174
constraint_programming
[ "R0C1=2", "R3C3=2", "R0C4=1", "R4C5=9", "R4C6=8", "R7C0=8", "R0C8=9", "R3C4=5", "R5C1=8", "R8C6=1", "R4C2=6", "R7C7=9", "R8C1=5", "R1C8=7", "R6C5=1", "R6C7=5", "R7C3=4", "R8C7=7", "R2C3=3", "R5C4=3", "R0C7=3", "R2C2=5", "R1C3=6", "R1C1=4", "R4C4=4", "R4C1=7", "R6C2=7", "R7C4=7", "R2C0=6", "R6C6=3", "R4C0=3", "R5C8=1", "R3C0=1", "R3C7=6", "R5C7=4", "R2C4=9", "R1C6=5", "R6C4=2", "R5C2=2", "R7C8=6", "R2C6=4", "R6C8=8", "R3C5=8", "R0C0=7", "R1C4=8", "R8C4=6", "R3C1=9", "R6C0=4" ]
1,155
160000007059400000400065002000072059070080120008539060040210300006008000300907480
162893547759421638483765912634172859975684123218539764847216395596348271321957486
backtracking
[ "R7C7=7", "R1C0=7", "R1C8=8", "R0C6=5", "R2C2=3", "R7C1=9", "R5C8=4", "R1C5=1", "R3C1=3", "R8C8=6", "R2C1=8", "R6C5=6", "R0C2=2", "R3C3=1", "R8C1=2", "R2C7=1", "R6C7=9", "R7C8=1", "R7C6=2", "R1C4=2", "R0C4=9", "R0C7=4", "R7C0=5", "R6C8=5", "R0C5=3", "R6C2=7", "R4C3=6", "R8C4=5", "R3C0=6", "R2C3=7", "R1C6=6", "R5C1=1", "R4C2=5", "R7C4=4", "R1C7=3", "R4C0=9", "R4C5=4", "R5C0=2", "R2C6=9", "R8C2=1", "R0C3=8", "R7C3=3", "R6C0=8", "R4C8=3", "R3C6=8", "R3C2=4", "R5C6=7" ]
1,156
001905024000410005300600800009006050050003107087200430002180900400000700790304006
871935624926418375345672891139746258254893167687251439562187943413569782798324516
backtracking
[ "R2C8=1", "R3C8=8", "R5C0=6", "R5C5=1", "R2C1=4", "R3C4=4", "R2C7=9", "R3C3=7", "R2C2=5", "R6C7=4", "R5C4=5", "R0C6=6", "R1C6=3", "R8C7=1", "R7C7=8", "R7C3=5", "R8C6=5", "R0C1=7", "R6C0=5", "R7C2=3", "R7C4=6", "R1C1=2", "R7C5=9", "R7C8=2", "R4C7=6", "R3C0=1", "R0C0=8", "R3C6=2", "R6C1=6", "R1C5=8", "R6C5=7", "R4C4=9", "R3C1=3", "R1C2=6", "R4C3=8", "R8C4=2", "R8C2=8", "R1C0=9", "R2C4=7", "R1C7=7", "R6C8=3", "R7C1=1", "R0C4=3", "R4C2=4", "R4C0=2", "R5C8=9", "R2C5=2" ]
1,157
002700018400009670100358000030100400008002901060900025607003000050400090904060082
392746518485219673176358249239185467548672931761934825627893154853421796914567382
constraint_programming
[ "R1C2=5", "R7C5=1", "R2C2=6", "R1C1=8", "R6C7=5", "R0C4=4", "R5C4=3", "R7C4=2", "R4C1=4", "R7C0=8", "R3C4=8", "R0C1=9", "R2C1=7", "R1C4=1", "R6C3=8", "R4C3=6", "R4C0=5", "R8C5=7", "R2C6=2", "R6C6=1", "R7C8=6", "R3C0=2", "R3C2=9", "R4C4=7", "R3C5=5", "R6C8=4", "R5C5=4", "R8C6=3", "R7C2=3", "R3C8=7", "R0C6=5", "R3C7=6", "R6C4=9", "R8C3=5", "R5C2=1", "R2C8=9", "R2C7=4", "R0C0=3", "R7C6=7", "R1C3=2", "R0C5=6", "R5C6=8", "R1C8=3", "R6C1=2", "R5C0=7", "R8C1=1", "R4C7=3" ]
1,158
010002090506008004000007503700104300364900800000700052092536700007000010408000006
813452697576398124249617583725184369364925871981763452192536748637849215458271936
backtracking
[ "R7C5=9", "R2C3=6", "R8C4=7", "R0C0=8", "R2C0=2", "R7C1=3", "R0C6=6", "R3C4=8", "R8C1=5", "R2C4=1", "R6C8=8", "R5C0=9", "R1C7=2", "R2C7=8", "R5C5=3", "R6C7=4", "R6C0=1", "R3C2=5", "R4C5=5", "R2C1=4", "R4C8=1", "R1C6=1", "R3C1=2", "R4C4=2", "R0C4=5", "R8C6=9", "R1C4=9", "R2C2=9", "R1C3=3", "R8C5=1", "R3C7=6", "R0C8=7", "R7C3=8", "R0C2=3", "R7C4=4", "R5C6=4", "R7C6=2", "R0C3=4", "R8C3=2", "R7C0=6", "R5C1=8", "R5C2=1", "R7C8=5", "R4C7=7", "R3C8=9", "R1C1=7", "R5C4=6", "R8C7=3" ]
1,159
000200060450703000100400807008600420010850900239070000700900156000000008840306090
387291564456783219192465837578639421614852973239174685723948156961527348845316792
backtracking
[ "R0C8=4", "R0C2=7", "R7C1=6", "R3C8=1", "R0C1=8", "R7C0=9", "R6C4=4", "R6C1=2", "R0C5=1", "R2C4=6", "R5C8=5", "R7C7=4", "R3C4=3", "R0C4=9", "R0C6=5", "R8C8=2", "R1C7=1", "R3C5=9", "R8C2=5", "R4C5=2", "R8C4=1", "R5C5=4", "R1C4=8", "R5C3=1", "R0C0=3", "R4C0=6", "R7C4=2", "R2C7=3", "R4C2=4", "R7C3=5", "R2C5=5", "R2C2=2", "R1C6=2", "R5C6=6", "R1C2=6", "R1C8=9", "R2C1=9", "R7C5=7", "R4C8=3", "R4C7=7", "R8C6=7", "R5C7=8", "R7C2=1", "R3C1=7", "R3C0=5", "R6C2=3", "R7C6=3", "R6C5=8" ]
1,160
000803090042050030870000400300620001650007009090100700060070050000060182409008306
516843297942751638873296415387629541651437829294185763168372954735964182429518376
backtracking
[ "R1C3=7", "R8C1=2", "R5C4=8", "R6C5=2", "R3C2=7", "R4C3=4", "R1C6=6", "R0C6=2", "R5C5=5", "R0C8=7", "R7C5=4", "R0C2=6", "R4C2=1", "R5C8=3", "R6C3=3", "R1C5=1", "R5C0=2", "R2C4=9", "R3C6=5", "R3C5=9", "R2C8=5", "R1C0=9", "R5C2=4", "R3C1=8", "R6C0=1", "R8C7=7", "R7C1=3", "R0C0=5", "R8C3=5", "R0C1=1", "R0C4=4", "R3C7=4", "R6C6=9", "R5C7=6", "R1C8=8", "R2C3=2", "R6C8=4", "R6C2=8", "R7C0=7", "R7C2=5", "R2C2=3", "R4C6=8", "R4C4=3", "R2C5=6", "R7C3=9", "R8C4=1", "R4C7=2", "R2C7=1" ]
1,161
209000063800500000070360502008750039010690700007000008401926050000040800063070400
259487163836512974174369582648751239312698745597234618481926357725143896963875421
constraint_programming
[ "R1C4=1", "R2C2=4", "R0C4=8", "R2C7=8", "R4C0=3", "R5C5=4", "R6C8=7", "R5C7=1", "R3C5=1", "R5C3=2", "R0C1=5", "R7C8=6", "R8C8=1", "R6C1=8", "R8C5=5", "R7C2=5", "R0C5=7", "R7C1=2", "R7C3=1", "R1C7=7", "R3C6=2", "R8C0=9", "R1C2=6", "R7C0=7", "R7C7=9", "R4C7=4", "R4C8=5", "R1C8=4", "R3C0=6", "R2C0=1", "R6C6=3", "R3C1=4", "R5C1=9", "R0C3=4", "R1C1=3", "R4C5=8", "R5C4=3", "R8C3=8", "R1C5=2", "R1C6=9", "R0C6=1", "R7C5=3", "R5C6=6", "R4C2=2", "R8C7=2", "R2C5=9", "R5C0=5" ]
1,162
000080250600000708070200193000970800401002009907830004204003607050460010009108000
143789256692315748875246193536974821481652379927831564214593687358467912769128435
constraint_programming
[ "R5C1=2", "R2C0=8", "R0C2=3", "R1C2=2", "R4C4=5", "R8C0=7", "R0C8=6", "R4C3=6", "R5C5=1", "R6C3=5", "R7C5=7", "R3C1=3", "R6C4=9", "R7C2=8", "R8C8=5", "R1C3=3", "R3C8=1", "R6C7=8", "R8C7=3", "R3C5=4", "R4C7=7", "R7C8=2", "R8C6=4", "R7C6=9", "R4C6=3", "R0C3=7", "R1C5=5", "R3C2=6", "R5C6=5", "R3C7=2", "R2C2=5", "R3C0=5", "R0C0=1", "R8C1=6", "R1C4=1", "R0C1=4", "R1C7=4", "R0C5=9", "R6C1=1", "R7C0=3", "R1C1=9", "R8C4=2", "R4C1=8", "R5C7=6", "R2C5=6", "R2C4=4" ]
1,163
400080005100006830800502070385020900000060000090804102701043090000709046003050200
479381625152476839836592471385127964214965783697834152761243598528719346943658217
constraint_programming
[ "R4C0=2", "R2C1=3", "R7C4=1", "R8C0=9", "R1C2=2", "R3C5=7", "R7C6=3", "R6C3=2", "R1C1=5", "R2C4=9", "R0C2=9", "R7C1=2", "R7C2=8", "R3C3=1", "R0C6=6", "R8C1=4", "R2C8=1", "R4C8=3", "R5C2=7", "R8C8=7", "R2C2=6", "R4C5=5", "R4C1=1", "R4C2=4", "R6C1=6", "R0C5=1", "R7C0=5", "R6C8=8", "R6C6=5", "R1C8=9", "R4C3=9", "R8C3=6", "R0C3=3", "R5C0=6", "R8C5=8", "R5C7=5", "R0C1=7", "R8C7=1", "R3C7=6", "R4C7=8", "R4C6=7", "R5C4=3", "R0C7=2", "R1C4=7", "R3C8=4", "R2C6=4", "R1C3=4" ]
1,164
000100090005026030043800607560000300400067200028905010071600400000701002032090008
286173594795426831143859627567218349419367285328945716971682453854731962632594178
constraint_programming
[ "R0C4=7", "R6C8=3", "R3C7=4", "R4C2=9", "R7C7=6", "R7C1=5", "R4C7=8", "R2C0=1", "R7C0=8", "R3C4=1", "R1C8=1", "R3C8=9", "R0C6=5", "R6C5=2", "R6C0=9", "R3C2=7", "R3C5=8", "R0C8=4", "R8C5=4", "R5C8=6", "R1C3=4", "R2C7=2", "R0C1=8", "R8C7=7", "R5C4=4", "R4C1=1", "R1C6=8", "R7C6=9", "R8C0=6", "R3C3=2", "R4C8=5", "R1C1=9", "R7C2=4", "R6C7=5", "R2C5=9", "R8C6=1", "R0C2=6", "R4C3=3", "R2C4=5", "R6C4=8", "R5C0=3", "R0C5=3", "R5C6=7", "R7C4=3", "R0C0=2", "R8C3=5", "R1C0=7" ]
1,165
000420000395601002010030809004108030730000005600007920208500006056804010070002040
867429351395681472412735869524198637739246185681357924248513796956874213173962548
backtracking
[ "R2C7=6", "R7C4=7", "R1C7=7", "R0C0=8", "R7C0=9", "R6C4=1", "R2C5=5", "R2C3=7", "R5C4=5", "R7C6=2", "R6C6=7", "R5C2=1", "R1C6=4", "R5C1=8", "R5C3=3", "R4C6=1", "R0C7=5", "R0C5=9", "R4C2=9", "R8C4=6", "R6C5=3", "R0C6=3", "R8C2=3", "R3C1=2", "R3C0=5", "R0C8=1", "R4C4=4", "R7C8=3", "R0C2=7", "R3C8=7", "R8C3=9", "R0C1=6", "R4C7=8", "R8C8=8", "R5C8=4", "R4C3=2", "R3C6=6", "R4C5=6", "R6C7=9", "R8C0=1", "R3C4=9", "R8C6=5", "R1C4=8", "R2C0=4", "R2C2=2", "R6C1=4" ]
1,166
007491605200060309000007010058600004003000090006200187904070002670830000810045000
387491625241568379569327418758619234123784596496253187934176852675832941812945763
backtracking
[ "R8C6=7", "R1C1=4", "R4C1=2", "R6C3=1", "R4C5=4", "R8C3=9", "R2C4=2", "R5C0=4", "R7C7=4", "R3C4=1", "R0C7=2", "R7C6=9", "R1C3=5", "R5C1=9", "R4C6=5", "R8C7=6", "R8C2=2", "R6C6=8", "R1C2=1", "R2C8=8", "R3C5=9", "R8C8=3", "R4C4=8", "R4C3=7", "R4C0=1", "R5C4=5", "R7C5=2", "R3C7=3", "R6C7=5", "R2C2=9", "R2C6=4", "R0C0=3", "R7C8=1", "R6C5=6", "R1C5=8", "R4C8=6", "R7C2=5", "R2C3=3", "R6C1=3", "R3C0=7", "R0C1=8", "R5C5=3", "R1C7=7", "R3C6=2", "R2C1=6", "R2C0=5" ]
1,167
900000207800754900001080500004300009700500020056190003007820061012060800500003040
945631287823754916671289534184372659739546128256198473497825361312467895568913742
constraint_programming
[ "R0C5=1", "R4C5=6", "R2C0=6", "R8C3=9", "R7C0=3", "R8C1=6", "R3C1=8", "R2C3=2", "R4C2=9", "R6C5=5", "R7C8=5", "R3C4=7", "R7C3=4", "R2C1=7", "R5C7=7", "R6C1=9", "R4C1=3", "R8C2=8", "R2C8=4", "R1C2=3", "R4C4=4", "R4C6=1", "R7C5=7", "R5C6=4", "R3C7=5", "R5C5=8", "R0C3=6", "R5C0=2", "R2C7=3", "R4C8=8", "R7C7=9", "R6C6=3", "R1C7=1", "R0C2=5", "R8C6=7", "R3C6=6", "R3C5=2", "R0C4=3", "R8C8=2", "R8C4=1", "R0C7=8", "R1C8=6", "R1C1=2", "R2C5=9", "R6C0=4", "R3C0=1", "R0C1=4" ]
1,168
090000074000200006803904000000102600008073010025006090680030250307000140400058000
296315874541287936873964521734192685968573412125846793689431257357629148412758369
constraint_programming
[ "R4C0=9", "R3C4=9", "R0C5=5", "R5C8=3", "R7C1=5", "R3C8=5", "R2C7=2", "R5C0=1", "R5C6=7", "R1C0=5", "R8C3=7", "R3C0=7", "R4C8=2", "R8C1=1", "R2C6=5", "R8C7=6", "R2C8=1", "R2C4=6", "R1C4=8", "R1C5=7", "R1C1=4", "R3C1=3", "R8C6=3", "R0C2=6", "R4C1=6", "R6C3=4", "R7C5=9", "R0C4=1", "R3C7=8", "R0C0=2", "R6C8=7", "R7C4=2", "R4C3=5", "R0C6=8", "R0C3=3", "R4C6=4", "R6C5=1", "R8C8=9", "R2C1=7", "R3C2=4", "R1C6=9", "R1C2=1", "R7C3=6", "R7C8=8", "R5C3=8", "R6C2=9", "R8C2=2", "R5C4=4", "R1C7=3" ]
1,169
010030060607015039500060702000809200300000470008450100709000000834007005050002080
912738564647215839583964712461879253395621478278453196729586341834197625156342987
backtracking
[ "R6C1=2", "R3C2=1", "R4C5=1", "R6C3=5", "R8C3=3", "R8C0=1", "R7C6=6", "R5C1=7", "R8C2=6", "R3C8=3", "R3C4=7", "R5C7=9", "R2C5=4", "R6C7=4", "R1C3=2", "R2C2=3", "R2C3=9", "R1C1=4", "R6C4=8", "R8C4=4", "R6C5=6", "R4C3=6", "R5C5=3", "R4C8=8", "R3C7=5", "R0C5=8", "R0C3=7", "R3C1=6", "R6C8=1", "R5C0=2", "R4C4=2", "R4C2=5", "R7C7=2", "R7C4=9", "R2C1=8", "R0C0=9", "R3C0=4", "R7C3=1", "R6C6=3", "R0C8=4", "R4C1=9", "R0C2=2", "R5C8=6", "R8C8=7", "R1C6=8", "R2C7=1", "R8C6=9", "R0C6=5" ]
1,170
700060045054100000130700000003014800002600090960080370010000780000200050640350009
729863145854129637136745928573914862482637591961582374215496783398271456647358219
backtracking
[ "R0C1=2", "R1C6=6", "R6C3=4", "R5C2=1", "R3C7=6", "R3C8=2", "R1C0=8", "R1C5=9", "R8C7=1", "R0C3=8", "R6C2=5", "R1C8=7", "R1C7=3", "R0C2=9", "R7C5=1", "R6C4=9", "R3C3=9", "R0C5=3", "R5C5=2", "R7C1=9", "R4C1=8", "R8C2=7", "R5C8=4", "R8C6=2", "R7C6=4", "R5C3=5", "R8C5=8", "R3C0=5", "R4C0=4", "R7C8=6", "R0C6=1", "R4C6=5", "R7C0=3", "R4C4=3", "R3C1=7", "R7C2=8", "R6C8=3", "R2C2=6", "R4C8=1", "R4C5=7", "R2C8=8", "R2C5=5", "R6C5=6", "R1C4=2", "R2C7=2", "R2C6=9", "R7C4=7", "R2C4=4", "R6C0=2" ]
1,171
090501030080400176003082000907206000600038500010050002004309005020060089700000640
496571238285493176173682954957246813642138597318957462864319725521764389739825641
constraint_programming
[ "R8C5=5", "R8C8=1", "R1C2=5", "R7C6=3", "R4C8=7", "R1C4=9", "R0C6=2", "R6C6=7", "R5C6=4", "R5C5=7", "R2C6=9", "R4C1=4", "R2C8=4", "R0C4=7", "R3C4=4", "R3C1=5", "R7C2=1", "R3C8=3", "R8C2=9", "R4C7=9", "R2C3=6", "R8C4=2", "R8C1=3", "R3C7=1", "R2C1=7", "R6C0=8", "R0C2=6", "R1C5=3", "R7C3=7", "R7C0=5", "R5C7=6", "R6C7=2", "R0C0=4", "R1C0=2", "R2C7=5", "R2C0=1", "R6C1=6", "R5C0=3", "R7C5=4", "R5C2=8", "R5C3=9", "R6C4=1", "R8C3=8", "R3C6=8", "R0C8=8", "R4C3=1", "R4C2=2" ]
1,172
003006002200004150140050008400030570056009030089710600000090200810300000070842006
593186742268974153147253968421638579756429831389715624634591287812367495975842316
backtracking
[ "R5C7=2", "R1C3=9", "R4C6=8", "R1C2=8", "R7C2=2", "R0C3=1", "R4C0=7", "R2C7=6", "R5C0=3", "R2C3=2", "R5C8=4", "R8C7=1", "R2C2=7", "R2C5=3", "R0C4=8", "R7C8=5", "R4C8=1", "R3C2=1", "R4C3=4", "R6C5=1", "R0C7=4", "R1C4=7", "R8C6=3", "R2C6=9", "R6C3=5", "R5C5=5", "R7C5=7", "R6C8=7", "R3C5=8", "R0C0=5", "R6C2=4", "R3C3=6", "R7C4=6", "R3C8=9", "R6C1=3", "R8C0=9", "R4C4=2", "R7C6=4", "R1C8=3", "R7C7=9", "R6C7=8", "R1C1=6", "R0C1=9", "R6C0=6", "R3C1=2", "R8C2=5", "R0C6=7" ]
1,173
086000001700058000230917050000290037300700400600400019010540060802000500070030092
586324971791658324234917856148295637329761485657483219913542768862179543475836192
backtracking
[ "R5C2=7", "R4C8=5", "R0C4=2", "R2C8=6", "R5C1=5", "R3C0=1", "R1C8=4", "R5C6=2", "R4C4=6", "R6C0=9", "R0C7=7", "R8C3=8", "R7C5=9", "R3C2=8", "R0C6=9", "R3C6=6", "R7C3=1", "R0C0=5", "R1C3=6", "R6C2=3", "R6C8=8", "R8C0=4", "R5C4=8", "R6C6=7", "R7C7=4", "R1C2=1", "R7C8=3", "R7C1=6", "R7C4=7", "R6C5=2", "R4C2=9", "R8C6=1", "R1C6=3", "R4C7=8", "R0C5=4", "R5C5=3", "R2C6=8", "R2C2=4", "R0C3=3", "R3C1=4", "R8C5=6", "R4C1=2", "R4C5=1", "R3C5=5", "R1C7=2", "R8C2=5", "R1C1=9" ]
1,174
023060400500920000680437000007010048400509060030070201048300900790008350001000600
123865479574921836689437125967213548412589763835674291248356917796148352351792684
backtracking
[ "R8C3=7", "R8C5=2", "R0C3=8", "R8C7=8", "R1C6=8", "R5C3=6", "R4C6=7", "R4C2=2", "R5C0=8", "R5C5=4", "R0C7=7", "R8C0=3", "R4C1=1", "R8C4=9", "R6C0=2", "R1C2=4", "R1C1=7", "R1C8=6", "R7C4=4", "R1C7=3", "R5C7=9", "R4C8=3", "R0C5=5", "R4C4=8", "R0C0=1", "R3C3=2", "R7C3=1", "R3C5=3", "R3C1=6", "R2C7=2", "R8C8=4", "R6C7=1", "R3C6=5", "R6C5=6", "R5C2=5", "R0C8=9", "R1C5=1", "R3C0=9", "R2C6=1", "R6C8=7", "R6C4=5", "R7C2=6", "R2C8=5", "R8C1=5", "R7C8=2", "R2C2=9" ]
1,175
200031070000090305800702040102000704050000600390008010006270008503400000000380159
249531876671894325835762941162953784458127693397648512916275438583419267724386159
constraint_programming
[ "R2C2=5", "R3C3=9", "R5C2=7", "R3C7=8", "R1C5=4", "R7C5=9", "R4C0=4", "R2C4=6", "R6C0=9", "R0C3=5", "R4C3=1", "R4C7=9", "R5C6=5", "R4C5=7", "R0C6=8", "R4C2=8", "R1C3=8", "R6C6=4", "R7C1=8", "R3C1=6", "R4C8=3", "R1C7=2", "R8C2=4", "R0C2=9", "R1C1=7", "R1C0=6", "R8C1=2", "R6C5=5", "R2C1=3", "R6C7=3", "R5C4=4", "R5C8=2", "R6C1=1", "R3C4=5", "R8C0=7", "R0C1=4", "R7C8=7", "R1C2=1", "R4C4=2", "R8C5=6", "R7C6=2", "R7C4=1", "R7C7=6", "R2C6=9", "R5C3=6", "R3C5=3", "R0C8=6", "R2C8=1" ]
1,176
021000000600310700753890012390704560010009208807000000000000820009460030504103007
921547386648312759753896412392784561415639278867251943136975824279468135584123697
backtracking
[ "R6C4=7", "R8C7=9", "R5C6=9", "R1C7=5", "R3C2=2", "R0C3=5", "R8C1=8", "R0C8=6", "R6C0=1", "R2C5=6", "R6C2=6", "R6C3=9", "R0C7=8", "R5C7=4", "R4C4=3", "R2C6=4", "R1C2=8", "R3C4=8", "R5C8=3", "R5C5=1", "R3C8=1", "R0C4=4", "R1C1=4", "R6C1=3", "R6C8=4", "R1C5=2", "R5C3=2", "R7C1=7", "R6C5=5", "R4C7=7", "R5C4=5", "R0C6=3", "R4C3=6", "R7C0=2", "R4C0=4", "R7C6=1", "R5C1=6", "R7C5=8", "R8C4=2", "R7C8=5", "R8C6=6", "R0C5=7", "R1C8=9", "R0C0=9", "R4C2=5" ]
1,177
070040003300080004620031900250790001980000632001008000100009206746200805000405000
578942163319687524624531978253796481987154632461328759135879246746213895892465317
backtracking
[ "R2C2=4", "R8C2=2", "R6C7=4", "R7C7=9", "R1C2=9", "R4C3=1", "R5C3=3", "R1C3=6", "R1C1=1", "R3C5=6", "R1C5=7", "R8C7=1", "R5C0=4", "R0C5=2", "R0C7=6", "R8C1=9", "R4C4=5", "R8C4=6", "R1C7=2", "R5C7=5", "R4C5=4", "R7C5=3", "R0C3=9", "R4C2=7", "R3C2=3", "R5C4=2", "R8C8=7", "R7C4=1", "R6C1=3", "R2C8=8", "R6C4=7", "R3C7=8", "R5C6=7", "R5C1=6", "R6C3=8", "R8C6=3", "R5C8=9", "R2C7=7", "R3C6=4", "R2C3=5", "R8C0=8", "R1C6=5", "R0C2=8", "R6C2=5", "R0C6=1", "R0C0=5" ]
1,178
080530706009100000502070000003060521005900800607010034900700203041008070000256010
184532796769184352532679148893467521415923867627815934956741283241398675378256419
backtracking
[ "R6C4=4", "R1C1=6", "R8C0=3", "R6C7=8", "R1C4=8", "R3C0=8", "R3C5=7", "R0C2=4", "R7C4=9", "R8C6=4", "R4C4=2", "R2C5=9", "R2C7=4", "R5C6=9", "R7C3=3", "R8C8=9", "R7C6=6", "R2C1=3", "R0C7=9", "R5C3=8", "R2C8=8", "R8C1=7", "R2C6=1", "R7C8=5", "R8C2=8", "R6C2=6", "R4C5=3", "R1C0=7", "R5C5=5", "R4C7=6", "R1C5=4", "R0C0=1", "R4C8=7", "R6C5=1", "R4C1=1", "R1C8=2", "R4C0=4", "R5C1=2", "R1C6=3", "R1C7=5", "R7C0=2", "R3C1=9", "R0C5=2", "R6C1=5", "R3C3=4", "R2C3=6" ]
1,179
008900430940760801150000002000500006860003200002080043009804100000607020430051900
628915437943762851157348692314529786865473219792186543279834165581697324436251978
backtracking
[ "R4C2=5", "R5C6=5", "R4C4=7", "R6C1=7", "R6C4=3", "R2C6=6", "R7C1=8", "R4C3=4", "R8C8=8", "R5C0=7", "R0C4=1", "R5C5=6", "R4C8=9", "R5C3=1", "R3C7=8", "R2C7=9", "R0C0=6", "R8C3=2", "R8C2=6", "R7C2=1", "R7C6=3", "R5C1=9", "R2C5=8", "R6C0=2", "R1C2=3", "R0C8=7", "R3C6=7", "R7C8=4", "R3C1=1", "R1C5=2", "R2C4=4", "R7C4=9", "R2C3=3", "R4C7=1", "R1C7=5", "R2C2=7", "R7C0=5", "R0C5=5", "R3C5=9", "R3C4=2", "R6C7=6", "R6C8=5", "R8C7=7", "R3C0=3", "R0C1=2", "R3C2=4" ]
1,180
030000164421300807900007000760040032000005000008920506050800040012030009000691003
537289164421356897986417325765148932293765418148923576359872641612534789874691253
backtracking
[ "R8C7=5", "R7C0=6", "R6C2=9", "R0C0=5", "R1C7=9", "R6C6=6", "R2C8=5", "R2C2=6", "R5C0=1", "R0C4=8", "R8C2=4", "R0C5=9", "R2C6=3", "R3C2=5", "R5C5=3", "R4C0=2", "R7C7=8", "R3C3=1", "R4C1=9", "R2C4=1", "R5C7=7", "R3C6=9", "R7C3=5", "R4C6=4", "R0C2=7", "R2C1=8", "R4C3=7", "R4C7=1", "R4C8=8", "R1C4=5", "R4C2=3", "R6C8=1", "R7C5=4", "R8C1=7", "R8C6=2", "R1C5=6", "R7C6=7", "R4C4=6", "R8C0=8", "R2C7=2", "R6C5=2", "R5C1=4", "R2C3=4", "R3C5=8", "R0C3=2", "R6C0=3", "R6C4=7" ]
1,181
950008400100007000468150009006090053003206008000370901200400000079001000041089605
957638412132947586468152379716894253593216748824375961285463197679521834341789625
constraint_programming
[ "R7C8=4", "R0C2=7", "R0C3=6", "R8C7=2", "R6C6=1", "R6C8=7", "R5C1=2", "R3C0=7", "R4C6=7", "R3C1=1", "R8C0=3", "R4C0=5", "R7C3=5", "R4C4=1", "R4C1=9", "R5C2=4", "R5C5=5", "R1C4=4", "R0C4=3", "R1C3=9", "R0C8=2", "R1C8=6", "R1C7=8", "R7C7=3", "R3C3=8", "R4C7=4", "R6C2=5", "R3C6=2", "R6C4=6", "R2C7=7", "R2C6=3", "R3C5=4", "R7C4=2", "R7C0=6", "R2C5=2", "R6C7=9", "R5C7=6", "R1C2=2", "R1C1=3", "R6C5=3", "R1C6=5", "R0C7=1", "R6C1=8", "R7C6=8", "R5C0=8", "R8C3=7" ]
1,182
002090003096800050100704000300201400000003806007506002040300000950008240078050601
482195763796832154135764928369281475524973816817546392641327589953618247278459631
constraint_programming
[ "R0C3=1", "R7C8=7", "R0C7=6", "R4C7=1", "R1C4=3", "R5C1=1", "R6C0=6", "R5C6=3", "R2C1=3", "R8C0=2", "R4C3=9", "R0C1=8", "R4C1=2", "R0C6=7", "R4C0=5", "R2C7=2", "R6C5=7", "R2C6=9", "R5C0=8", "R6C7=8", "R4C2=4", "R3C4=8", "R5C7=9", "R1C5=2", "R3C2=9", "R0C0=4", "R4C4=7", "R6C8=9", "R6C2=1", "R3C1=6", "R3C7=7", "R3C8=5", "R0C5=5", "R6C6=5", "R7C3=6", "R8C3=4", "R2C8=8", "R6C4=2", "R2C4=6", "R1C6=1", "R1C0=7", "R2C2=5", "R7C2=3", "R5C4=4", "R1C8=4", "R7C4=1", "R8C7=3", "R8C5=9" ]
1,183
094000100000200758700501000006304082308000096009082310017000600000020045800963000
594876123631249758782531964176394582328715496459682317217458639963127845845963271
backtracking
[ "R1C5=9", "R7C5=7", "R8C2=5", "R8C8=1", "R7C0=9", "R7C2=3", "R6C8=9", "R2C4=3", "R1C1=3", "R8C1=4", "R0C3=8", "R5C1=5", "R3C6=5", "R0C8=3", "R6C4=5", "R0C0=5", "R7C6=8", "R4C4=1", "R6C5=8", "R5C3=6", "R2C1=8", "R5C8=7", "R6C3=4", "R3C4=9", "R4C5=5", "R0C7=2", "R4C3=7", "R7C1=6", "R2C2=2", "R4C6=4", "R1C0=6", "R2C6=9", "R1C4=4", "R5C0=4", "R4C1=2", "R3C1=7", "R6C0=2", "R6C7=3", "R0C4=7", "R7C3=1", "R2C7=6", "R1C2=1", "R2C8=4", "R3C0=1", "R0C5=6", "R8C7=7", "R8C6=2" ]
1,184
400001590000080010071090300900024001206005400500970032709006000068300020050800704
423761598695483217871592346937624851286135479514978632749256183168347925352819764
constraint_programming
[ "R3C6=8", "R2C8=6", "R8C7=6", "R2C0=8", "R7C5=7", "R4C3=1", "R0C4=6", "R0C2=3", "R1C5=3", "R3C3=6", "R7C4=4", "R4C1=8", "R6C1=4", "R6C4=5", "R2C7=4", "R8C0=3", "R6C3=2", "R5C2=4", "R1C6=2", "R1C3=4", "R3C7=5", "R6C8=3", "R4C8=9", "R8C5=9", "R1C2=5", "R0C1=2", "R2C5=2", "R2C3=5", "R5C6=6", "R3C2=7", "R5C1=1", "R5C5=8", "R0C8=8", "R3C1=3", "R7C6=9", "R1C0=6", "R7C8=5", "R6C7=8", "R1C1=9", "R8C4=1", "R7C0=1", "R1C8=7", "R4C7=7", "R6C6=1", "R8C2=2", "R4C4=3", "R0C3=7" ]
1,185
008520709043078100050100006007090012000050300019004600200800000600007084090060503
168523749943678125752149836587396412426751398319284657274835961635917284891462573
backtracking
[ "R8C2=1", "R4C7=9", "R4C8=8", "R0C5=3", "R2C7=3", "R4C0=4", "R3C5=6", "R2C0=7", "R1C8=5", "R3C1=8", "R3C0=5", "R4C3=7", "R3C3=3", "R6C5=5", "R6C2=4", "R8C3=4", "R6C6=9", "R6C1=7", "R3C6=4", "R4C2=6", "R8C7=7", "R8C5=2", "R2C5=9", "R6C4=3", "R7C3=9", "R5C4=8", "R4C5=1", "R5C8=7", "R2C2=2", "R2C6=8", "R0C1=6", "R0C7=4", "R1C7=2", "R4C1=2", "R7C1=3", "R7C2=5", "R1C0=9", "R6C7=6", "R7C4=1", "R7C6=2", "R5C0=3", "R6C8=1", "R0C0=1", "R2C4=4", "R5C3=2", "R1C3=6", "R8C0=8", "R5C7=5" ]
1,186
007801560000000000309276800601050400208300009000002300002040018094000700500710620
427891563816435297359276841631957482278364159945182376762543918194628735583719624
backtracking
[ "R4C7=5", "R1C0=8", "R1C7=9", "R5C1=4", "R1C1=1", "R5C7=7", "R1C5=5", "R5C8=6", "R5C0=9", "R6C5=3", "R8C2=3", "R3C8=2", "R1C2=6", "R4C5=4", "R0C0=4", "R1C4=3", "R6C3=5", "R2C8=1", "R7C3=6", "R1C8=7", "R8C8=4", "R0C1=2", "R6C0=7", "R7C8=5", "R1C6=2", "R6C6=9", "R3C3=9", "R5C4=8", "R7C7=3", "R4C4=6", "R8C5=9", "R3C7=8", "R7C4=2", "R0C4=9", "R1C3=4", "R2C1=5", "R6C1=6", "R3C1=3", "R4C1=7", "R8C1=8", "R2C7=4", "R5C2=5", "R0C8=3", "R5C3=1", "R7C0=1", "R4C6=1", "R7C5=8", "R3C5=7" ]
1,187
280170003007030008000904200004320097000561000835000001013807060400056300092000000
286175943947632158351984276164328597729561834835749621513897462478256319692413785
backtracking
[ "R6C0=5", "R2C1=5", "R4C2=9", "R8C3=4", "R0C2=6", "R7C2=8", "R3C6=5", "R7C7=1", "R5C3=7", "R4C1=2", "R8C6=7", "R4C6=8", "R3C0=1", "R1C0=9", "R5C5=9", "R8C4=1", "R5C4=4", "R2C2=1", "R8C7=8", "R1C5=2", "R2C7=7", "R5C6=6", "R2C0=3", "R8C0=6", "R1C1=4", "R1C3=6", "R2C4=8", "R2C8=6", "R8C5=3", "R0C7=4", "R8C8=5", "R7C8=9", "R1C7=5", "R3C1=6", "R7C3=2", "R5C7=2", "R1C6=1", "R4C7=3", "R6C4=9", "R6C8=2", "R0C6=9", "R4C0=7", "R0C5=5", "R7C1=7", "R4C8=4", "R6C6=4", "R3C5=8" ]
1,188
008000103001740050290000608020409007106503002005070000500692800630000000400007901
758926143361748259294135678823469517176583492945271386517692834639814725482357961
backtracking
[ "R8C1=8", "R4C1=7", "R0C7=4", "R1C5=8", "R0C0=7", "R5C1=4", "R7C8=5", "R5C3=2", "R3C4=6", "R3C6=5", "R7C4=1", "R8C7=6", "R2C7=7", "R6C7=3", "R0C1=5", "R8C3=3", "R6C8=4", "R0C4=2", "R3C7=1", "R3C0=8", "R6C2=7", "R5C0=9", "R5C7=8", "R4C6=4", "R7C6=7", "R7C2=9", "R8C2=2", "R2C2=4", "R6C1=1", "R7C7=2", "R5C5=1", "R1C8=9", "R1C0=3", "R2C3=1", "R7C3=8", "R0C5=6", "R7C5=4", "R3C2=3", "R1C1=6", "R8C4=5", "R4C4=8", "R5C8=6", "R2C4=3", "R2C5=5", "R0C3=9", "R4C7=9", "R5C6=3", "R1C6=2" ]
1,189
006000402830900000500700060010002690070831050204000080400010509060347001007508000
796185432832964715541723968318452697679831254254679183483216579965347821127598346
backtracking
[ "R3C8=7", "R5C4=7", "R8C8=6", "R6C1=8", "R6C2=3", "R1C7=1", "R8C4=9", "R6C5=6", "R2C6=9", "R1C2=2", "R5C3=6", "R1C5=4", "R3C2=8", "R7C2=5", "R4C0=6", "R2C8=8", "R3C3=4", "R3C0=3", "R5C1=5", "R1C8=5", "R6C3=2", "R0C5=5", "R3C4=5", "R0C1=9", "R7C7=2", "R5C5=9", "R0C7=3", "R2C2=1", "R1C4=6", "R0C3=1", "R7C6=8", "R4C2=9", "R2C5=3", "R7C0=9", "R8C0=1", "R2C1=4", "R5C6=1", "R8C1=2", "R2C4=2", "R5C8=3", "R1C6=7", "R0C4=8", "R0C0=7", "R8C7=4", "R6C7=7", "R4C6=2", "R4C8=4", "R8C6=3" ]
1,190
086010079000050080040003026907040050000006904230980000305067840400090103008200000
586412379723659481149873526967341258851726934234985617395167842472598163618234795
constraint_programming
[ "R8C0=6", "R7C7=6", "R0C6=3", "R6C1=9", "R1C1=2", "R4C2=1", "R1C8=1", "R4C0=8", "R4C4=2", "R1C6=4", "R5C8=7", "R6C8=2", "R5C5=5", "R7C1=7", "R5C6=6", "R4C1=5", "R7C5=8", "R6C3=1", "R2C2=9", "R7C2=2", "R2C4=7", "R1C5=9", "R1C3=6", "R7C3=5", "R8C1=1", "R3C5=1", "R0C0=5", "R8C8=5", "R2C6=5", "R8C5=4", "R3C3=3", "R1C0=7", "R2C3=8", "R5C2=4", "R8C4=3", "R3C6=2", "R0C5=2", "R1C2=3", "R4C7=3", "R4C3=7", "R8C7=9", "R0C3=4", "R3C8=8", "R3C1=6", "R8C6=7", "R5C7=1", "R2C0=1" ]
1,191
000000402000703050045602037802500000000020013790460008026094070908000001001350060
637915482289743156145682937812537694564829713793461528326194875958276341471358269
constraint_programming
[ "R6C6=8", "R4C6=7", "R0C1=3", "R5C2=3", "R5C6=5", "R8C5=8", "R8C0=4", "R7C1=5", "R8C6=2", "R7C6=3", "R1C2=9", "R3C1=1", "R5C5=1", "R1C0=2", "R5C7=2", "R0C0=6", "R0C2=7", "R2C6=9", "R4C3=8", "R0C4=1", "R3C8=4", "R3C5=7", "R8C1=7", "R4C2=4", "R7C5=6", "R4C0=5", "R0C7=8", "R4C5=9", "R6C8=5", "R8C8=9", "R0C3=9", "R7C3=2", "R6C3=1", "R7C7=4", "R6C0=3", "R1C8=6", "R3C7=9", "R1C1=8", "R0C5=5", "R3C4=3", "R4C1=6", "R7C4=7", "R2C4=8", "R1C6=1", "R1C4=4", "R3C6=6", "R2C0=1" ]
1,192
004810062000300809059040000730000200628700005005100030062003400900020700540690100
374819562216357849859246371731965284628734915495182637162573498983421756547698123
backtracking
[ "R5C5=2", "R6C3=5", "R3C8=4", "R4C5=4", "R6C0=1", "R8C5=8", "R2C0=8", "R3C3=9", "R0C6=5", "R4C6=9", "R3C7=8", "R3C4=6", "R1C4=5", "R5C8=7", "R4C4=3", "R2C6=3", "R7C3=4", "R5C4=8", "R1C5=7", "R3C5=5", "R2C8=1", "R5C0=4", "R0C5=9", "R8C8=3", "R7C8=6", "R2C7=7", "R0C0=3", "R8C2=7", "R4C7=1", "R1C0=2", "R2C5=6", "R0C1=7", "R6C7=9", "R6C8=8", "R8C7=2", "R6C4=7", "R1C7=4", "R5C1=9", "R2C3=2", "R5C6=6", "R7C7=5", "R3C2=1", "R7C5=1", "R1C2=6", "R7C2=3", "R1C1=1", "R7C1=8" ]
1,193
940007006003001740260040100076503090000090008405002000000065200008734050100209300
941357826583621749267948135876513492312496578495872613739165284628734951154289367
constraint_programming
[ "R5C1=9", "R8C8=7", "R7C8=1", "R3C0=8", "R4C0=3", "R4C3=4", "R1C0=5", "R2C8=5", "R0C4=5", "R4C5=6", "R2C7=3", "R6C7=8", "R1C4=2", "R6C1=3", "R6C2=9", "R8C1=5", "R4C6=5", "R5C8=3", "R2C3=9", "R0C6=8", "R0C2=1", "R4C1=1", "R1C1=8", "R5C4=7", "R7C1=2", "R7C6=9", "R2C2=7", "R3C4=1", "R8C4=8", "R1C8=9", "R6C0=7", "R2C5=8", "R0C7=2", "R4C2=2", "R5C3=8", "R6C3=1", "R1C3=6", "R6C8=4", "R3C8=2", "R5C7=1", "R4C7=7", "R3C6=4", "R5C6=6", "R8C7=6", "R8C2=4", "R0C3=3", "R7C0=6" ]
1,194
000704206800905047060080000408600009090100603030270050003021000547030000001500800
359714286812965347764382591478653129295148673136279458983421765547836912621597834
constraint_programming
[ "R3C7=2", "R6C7=6", "R7C7=1", "R6C8=5", "R4C0=2", "R6C0=9", "R5C0=1", "R1C2=2", "R0C1=5", "R7C8=2", "R0C0=3", "R1C1=1", "R1C4=6", "R2C3=3", "R5C8=8", "R2C7=9", "R7C3=8", "R4C2=5", "R7C5=6", "R8C7=3", "R4C4=4", "R2C0=7", "R0C7=8", "R3C4=5", "R6C1=8", "R3C1=7", "R8C1=2", "R1C6=3", "R0C4=1", "R6C3=4", "R8C4=9", "R6C6=7", "R2C5=2", "R3C6=1", "R4C7=7", "R0C2=9", "R8C8=4", "R8C0=6", "R2C2=4", "R5C5=9", "R5C2=6", "R5C6=4", "R2C8=1", "R8C5=7", "R3C5=3", "R2C6=5", "R4C5=8", "R7C6=9" ]
1,195
260070000037006140001000200005300601006950007028040003080700300154090000900062805
269174538537286149841539276495327681316958427728641953682715394154893762973462815
backtracking
[ "R7C3=8", "R3C5=7", "R3C7=8", "R1C0=5", "R5C6=9", "R7C8=2", "R0C5=4", "R7C5=3", "R0C3=1", "R8C2=3", "R5C5=1", "R2C1=4", "R8C3=4", "R6C2=2", "R2C3=5", "R3C0=4", "R5C0=7", "R6C4=1", "R0C8=8", "R6C8=4", "R4C6=4", "R1C4=8", "R4C5=8", "R2C7=7", "R8C7=1", "R1C8=9", "R2C5=9", "R5C7=5", "R0C7=3", "R7C6=7", "R8C1=7", "R4C0=3", "R6C5=5", "R3C4=2", "R0C6=5", "R4C1=1", "R2C0=8", "R2C8=6", "R5C3=6", "R3C1=9", "R4C7=2", "R7C7=6", "R6C7=9", "R6C0=6", "R0C2=9", "R1C3=2", "R2C4=3" ]
1,196
905063800200000105030001002100000000007430209098070600040000000570916040869305000
915263874286794135734581962123659487657438219498172653341827596572916348869345721
backtracking
[ "R0C7=7", "R2C3=5", "R6C8=6", "R3C1=2", "R2C0=7", "R8C8=1", "R2C2=4", "R3C6=4", "R5C5=2", "R4C7=1", "R1C4=9", "R1C1=8", "R1C7=3", "R8C7=2", "R3C4=5", "R6C3=8", "R4C0=6", "R0C1=1", "R5C3=1", "R3C2=3", "R3C3=6", "R5C7=5", "R6C6=5", "R2C4=8", "R3C7=8", "R2C7=6", "R0C3=2", "R4C5=8", "R6C2=1", "R3C8=7", "R6C0=3", "R7C6=3", "R3C5=9", "R1C3=7", "R7C8=8", "R1C2=6", "R4C1=5", "R2C6=9", "R8C4=4", "R6C7=9", "R0C8=4", "R5C8=3", "R6C4=2", "R7C2=2", "R5C0=4", "R6C5=7", "R1C5=4", "R8C6=7" ]
1,197
800000010000900007050407620103500070027803060000200004460009005530160089090320100
874652913216938457359417628143596872927843561685271394461789235532164789798325146
backtracking
[ "R3C1=4", "R0C8=3", "R8C7=4", "R3C4=9", "R8C2=8", "R7C2=2", "R2C2=9", "R5C2=5", "R6C7=3", "R4C8=1", "R6C2=1", "R0C6=9", "R2C0=3", "R0C1=7", "R1C5=8", "R7C5=4", "R3C5=6", "R8C5=5", "R5C0=6", "R0C3=6", "R3C6=8", "R5C7=9", "R6C6=2", "R1C0=2", "R4C0=9", "R6C3=7", "R0C4=5", "R1C1=1", "R5C6=3", "R6C4=8", "R8C0=7", "R4C4=4", "R2C4=1", "R0C2=4", "R3C8=2", "R1C7=5", "R5C4=7", "R1C2=6", "R5C1=8", "R1C6=4", "R0C5=2", "R5C5=1", "R8C8=6", "R1C4=3", "R4C6=5", "R2C8=8", "R7C6=7" ]
1,198
000659000072000000500020318010500006080400092700001400003206089040800000690103504
831659247472318965569724318914532876385467192726981453153246789247895631698173524
constraint_programming
[ "R3C2=4", "R3C4=3", "R3C7=7", "R7C2=7", "R6C4=4", "R4C6=1", "R2C2=9", "R8C4=7", "R5C3=9", "R4C5=7", "R3C5=2", "R5C4=8", "R0C1=3", "R7C6=6", "R5C8=3", "R0C8=7", "R1C5=8", "R6C1=5", "R6C0=1", "R1C4=1", "R8C7=2", "R7C5=5", "R7C0=2", "R3C0=9", "R0C7=4", "R0C2=1", "R3C6=8", "R0C0=8", "R5C1=2", "R0C6=2", "R2C1=6", "R7C4=9", "R4C2=5", "R1C6=9", "R6C6=7", "R4C0=3", "R5C2=6", "R4C4=6", "R1C7=6", "R1C0=4", "R1C3=3", "R2C3=7", "R7C7=3", "R7C8=1", "R2C5=4", "R1C8=5", "R8C2=8", "R5C7=5" ]
1,199
320870160000300047045000302000290004490010050638000201000006873080409000100705000
329874165816352947745961382571298634492613758638547291954126873287439516163785429
backtracking
[ "R0C5=4", "R5C3=5", "R6C3=1", "R0C2=9", "R2C3=9", "R3C2=1", "R3C7=3", "R2C0=7", "R7C0=2", "R7C8=6", "R8C4=8", "R7C6=5", "R3C1=7", "R5C5=7", "R6C0=9", "R3C0=5", "R2C7=8", "R6C1=5", "R4C6=7", "R8C2=3", "R7C7=1", "R1C4=5", "R6C2=4", "R3C5=8", "R1C1=1", "R8C6=4", "R8C7=2", "R8C8=9", "R7C2=7", "R5C4=4", "R2C4=6", "R1C5=2", "R4C3=6", "R1C2=6", "R0C8=5", "R1C6=9", "R2C5=1", "R4C8=8", "R5C7=9", "R7C4=3", "R4C5=3", "R8C1=6", "R4C2=2", "R1C0=8", "R3C6=6", "R6C4=2" ]