Datasets:
nakashi104
/
sudoku-1million

Dataset card Data Studio Files Community
1
id
int64
0
1,000k
quizzes
stringlengths
81
81
solutions
stringlengths
81
81
method
stringclasses
2 values
steps
sequencelengths
44
52
1,200
000386020060005738001400500000008065043010009089700200056070001074600380010209000
795386124462195738831427596127938465643512879589764213256873941974651382318249657
constraint_programming
[ "R6C5=3", "R3C3=9", "R4C6=8", "R6C0=2", "R0C1=9", "R2C1=3", "R0C0=7", "R7C8=2", "R4C0=6", "R1C2=2", "R6C7=4", "R8C2=8", "R2C4=2", "R5C4=6", "R2C0=8", "R4C7=7", "R0C6=1", "R0C2=5", "R1C4=9", "R3C6=4", "R6C6=9", "R8C4=4", "R8C7=5", "R6C3=8", "R0C8=4", "R2C7=9", "R8C0=3", "R2C8=6", "R3C0=1", "R7C0=9", "R7C4=5", "R5C8=3", "R3C2=7", "R1C0=4", "R2C5=7", "R7C5=1", "R5C7=1", "R3C4=3", "R1C3=1", "R5C0=5", "R8C8=7", "R4C5=2", "R4C3=5", "R5C5=4", "R8C6=6", "R3C1=2" ]
1,201
000890000104500006850000739006009400470005002300017000910040260000200905037000180
763892541194573826852164739586329417471685392329417658915748263648231975237956184
constraint_programming
[ "R5C2=9", "R6C3=7", "R3C8=7", "R6C5=8", "R4C2=1", "R8C4=5", "R4C6=3", "R3C7=1", "R0C8=1", "R5C6=6", "R3C1=8", "R7C1=4", "R0C1=6", "R2C5=4", "R8C5=6", "R7C7=7", "R8C0=2", "R0C6=5", "R4C7=9", "R7C5=1", "R1C1=9", "R0C7=4", "R5C3=4", "R6C2=5", "R4C4=8", "R7C4=3", "R1C5=3", "R7C0=6", "R1C7=2", "R3C4=2", "R1C6=8", "R2C4=6", "R8C8=4", "R2C2=2", "R3C0=5", "R4C3=6", "R7C2=8", "R0C0=7", "R3C3=3", "R5C7=5", "R6C8=3", "R5C8=8", "R5C1=2", "R1C4=7", "R2C3=1", "R0C5=2", "R8C3=9", "R0C2=3" ]
1,202
000001004000520390689007000100400063000158020524030080000700950060084007370960002
253891674417526398689347215198472563736158429524639781842713956965284137371965842
constraint_programming
[ "R1C1=1", "R3C5=2", "R8C2=1", "R0C1=5", "R3C1=9", "R4C0=7", "R7C6=1", "R7C7=3", "R3C4=7", "R3C6=5", "R1C5=6", "R0C3=8", "R8C5=5", "R6C5=3", "R4C6=4", "R5C8=1", "R0C2=3", "R4C8=9", "R2C7=1", "R0C7=7", "R5C3=6", "R2C6=2", "R0C6=6", "R4C1=3", "R5C6=7", "R8C7=4", "R6C1=4", "R2C4=4", "R1C2=7", "R2C3=3", "R5C5=9", "R0C4=9", "R8C6=8", "R7C3=2", "R6C2=2", "R0C0=2", "R6C0=8", "R7C2=5", "R6C8=6", "R2C8=5", "R1C8=8", "R6C4=1", "R7C0=9", "R4C2=6", "R3C2=8", "R1C0=4" ]
1,203
200641900009003008007500600030800752000000040000756103600098071040000300108020005
285641937469273518317589624936814752571932846824756193653498271742165389198327465
backtracking
[ "R0C2=5", "R6C3=4", "R2C8=4", "R6C1=5", "R8C6=4", "R0C8=7", "R1C3=2", "R2C0=3", "R8C1=9", "R4C1=7", "R7C8=9", "R8C7=6", "R4C0=5", "R5C0=8", "R2C1=1", "R1C4=7", "R5C2=4", "R3C2=6", "R1C7=1", "R6C6=2", "R7C7=8", "R3C4=1", "R3C5=4", "R7C3=1", "R4C8=6", "R5C1=2", "R1C6=5", "R8C3=3", "R0C7=3", "R1C0=4", "R7C5=5", "R7C4=6", "R7C0=7", "R4C5=2", "R4C6=8", "R3C0=9", "R5C7=9", "R6C2=3", "R1C1=6", "R2C5=9", "R0C1=8", "R4C4=3", "R2C7=2", "R2C4=8", "R8C5=7", "R4C2=1", "R4C3=9", "R7C2=2" ]
1,204
002851900900400000741600200200006090005080003600900184006507032000100060539000400
362851947958472316741639258284316795195784623673925184416597832827143569539268471
backtracking
[ "R5C2=3", "R8C4=6", "R4C1=9", "R2C5=9", "R4C7=2", "R0C0=3", "R2C7=5", "R3C6=7", "R3C3=3", "R6C4=9", "R6C0=4", "R3C2=4", "R1C6=3", "R0C1=6", "R1C8=6", "R3C4=1", "R1C7=1", "R5C5=5", "R1C2=8", "R7C2=7", "R5C4=2", "R4C6=6", "R3C8=5", "R8C7=7", "R8C3=2", "R2C4=3", "R7C4=4", "R4C3=7", "R6C1=1", "R3C1=8", "R7C8=9", "R0C8=7", "R7C6=5", "R1C5=2", "R6C6=8", "R8C8=1", "R7C1=2", "R2C8=8", "R5C1=7", "R4C0=1", "R7C5=3", "R7C0=8", "R1C1=5", "R1C4=7", "R8C5=8", "R4C5=4", "R0C7=4" ]
1,205
800014500070000060096500830900200000107030002020009453705040008200001307004062100
832614579571398264496527831943285716157436982628179453715943628269851347384762195
backtracking
[ "R2C4=2", "R6C7=2", "R8C7=9", "R1C6=2", "R5C0=6", "R4C5=6", "R8C0=3", "R1C5=8", "R6C1=1", "R3C6=7", "R8C8=5", "R7C4=5", "R5C4=7", "R8C1=8", "R4C6=9", "R3C8=6", "R0C3=6", "R6C5=3", "R4C7=8", "R7C2=9", "R4C3=4", "R1C8=4", "R8C3=7", "R1C4=9", "R2C0=4", "R0C2=2", "R1C2=1", "R5C2=8", "R4C1=5", "R3C1=4", "R3C4=8", "R0C8=9", "R2C8=1", "R6C6=6", "R3C7=1", "R7C3=8", "R1C3=3", "R3C2=3", "R0C7=7", "R6C3=9", "R3C5=5", "R5C3=1", "R1C0=5", "R0C1=3", "R7C1=6", "R7C7=4", "R2C5=7" ]
1,206
008000035005040912100700000000500400083010000270389060000900150040007020601023097
468291735735846912192735648916572483583614279274389561327968154849157326651423897
backtracking
[ "R1C0=7", "R4C0=5", "R2C4=3", "R2C1=9", "R4C8=9", "R6C2=7", "R0C4=9", "R2C6=6", "R8C6=8", "R8C1=5", "R7C0=8", "R0C1=6", "R4C5=4", "R8C3=4", "R5C6=5", "R3C5=2", "R5C8=1", "R7C8=6", "R6C5=8", "R3C1=1", "R2C2=2", "R6C1=2", "R3C2=6", "R6C0=3", "R6C4=6", "R1C5=6", "R4C7=7", "R1C1=3", "R0C0=4", "R4C6=2", "R2C5=5", "R0C6=7", "R0C3=2", "R1C3=8", "R7C2=9", "R2C8=8", "R3C8=3", "R6C8=4", "R3C0=9", "R7C3=1", "R3C4=7", "R0C5=1", "R7C6=3", "R3C7=8", "R7C4=5", "R4C3=6", "R5C2=4", "R2C7=4" ]
1,207
030074260002000000500910403809350700060800100407000006020008904108005020670001305
931574268742683591586912473819356742263847159457129836325768914198435627674291385
backtracking
[ "R6C2=5", "R7C6=6", "R3C1=1", "R3C8=2", "R1C7=9", "R0C3=5", "R6C7=1", "R4C8=9", "R3C7=4", "R1C4=8", "R4C5=7", "R5C4=2", "R8C7=8", "R5C6=8", "R6C3=7", "R8C3=2", "R6C0=3", "R8C4=9", "R0C0=9", "R4C0=2", "R0C2=1", "R5C5=9", "R2C5=2", "R7C3=4", "R7C4=3", "R0C8=8", "R1C0=7", "R1C1=4", "R7C8=7", "R4C2=3", "R2C2=6", "R2C1=8", "R8C2=4", "R1C6=5", "R3C5=6", "R1C3=6", "R1C8=1", "R7C1=9", "R6C4=6", "R2C7=7", "R5C1=5", "R5C3=1", "R1C5=3", "R4C4=4", "R5C7=3", "R4C7=5" ]
1,208
740860030900030051031920600510708006070046090600200705480100000003000400000050920
745861239926437851831925674512798346378546192694213785489172563253689417167354928
constraint_programming
[ "R0C2=5", "R6C2=9", "R5C1=9", "R8C1=6", "R7C1=5", "R3C6=3", "R2C5=5", "R7C5=9", "R8C2=7", "R5C4=1", "R6C8=3", "R3C2=2", "R7C8=7", "R4C6=1", "R0C5=1", "R3C7=4", "R8C5=4", "R8C3=3", "R5C7=8", "R1C6=8", "R5C2=4", "R1C3=4", "R1C1=2", "R0C6=2", "R6C5=2", "R8C0=1", "R7C3=6", "R2C7=7", "R3C4=9", "R0C8=9", "R1C5=7", "R5C5=3", "R2C8=4", "R6C4=7", "R7C7=1", "R4C3=5", "R4C8=2", "R7C4=8", "R2C0=8", "R8C8=8", "R6C7=6", "R6C6=5", "R7C0=2", "R4C0=3", "R4C2=8", "R1C2=6" ]
1,209
030800750006000802400200010008003400900080206100097003005400068601950000072001005
239816754516749832487235619768523491953184276124697583395472168641958327872361945
constraint_programming
[ "R8C3=3", "R7C6=3", "R5C1=2", "R0C8=4", "R5C2=4", "R6C4=7", "R4C3=1", "R2C4=3", "R2C5=5", "R3C1=6", "R5C7=8", "R8C4=6", "R2C8=9", "R0C4=1", "R8C6=9", "R3C4=2", "R1C7=3", "R3C3=5", "R0C5=6", "R6C0=3", "R2C1=8", "R8C0=8", "R1C1=1", "R4C5=4", "R8C7=4", "R6C1=9", "R1C5=9", "R7C1=4", "R5C6=5", "R6C5=2", "R6C6=1", "R4C1=5", "R1C4=4", "R5C3=6", "R0C2=9", "R7C7=2", "R7C8=7", "R3C0=7", "R7C5=8", "R1C0=5", "R3C8=1", "R2C2=7", "R1C3=7", "R2C6=6", "R3C7=9", "R4C7=7", "R4C2=3", "R0C0=2" ]
1,210
140079060000104709800005020500203000079060001610497050700051400050380006030000210
142879563365124789897635124584213697279568341613497852726951438451382976938746215
backtracking
[ "R8C0=9", "R7C5=2", "R2C4=3", "R3C7=9", "R6C7=3", "R6C3=9", "R5C2=3", "R6C8=8", "R5C8=2", "R7C7=7", "R3C1=8", "R1C2=5", "R3C8=7", "R1C1=6", "R4C7=4", "R4C0=2", "R2C8=4", "R2C6=1", "R6C2=6", "R2C2=7", "R0C8=3", "R5C6=8", "R8C2=8", "R1C7=8", "R3C6=6", "R0C6=5", "R4C5=8", "R3C2=4", "R7C0=4", "R2C1=9", "R0C2=2", "R8C3=7", "R0C3=8", "R1C0=3", "R2C3=6", "R7C2=1", "R8C8=5", "R1C4=2", "R8C4=4", "R4C3=5", "R6C1=2", "R3C4=1", "R7C6=9", "R4C6=3", "R8C5=6" ]
1,211
047600090000500800009082073000100000056840300000026401070030984010750002380900500
847613295231579846569482173423195768156847329798326451675231984914758632382964517
backtracking
[ "R3C8=8", "R8C5=4", "R7C5=8", "R1C7=4", "R3C2=3", "R0C4=1", "R5C7=5", "R1C0=2", "R6C5=1", "R0C0=8", "R1C4=7", "R8C7=1", "R2C1=6", "R4C8=9", "R3C5=5", "R1C8=6", "R3C7=6", "R2C0=5", "R3C4=9", "R0C8=5", "R7C6=6", "R4C5=7", "R4C7=2", "R6C0=6", "R3C6=7", "R1C2=1", "R5C0=7", "R8C8=7", "R2C3=4", "R0C6=2", "R7C2=4", "R2C6=1", "R1C1=3", "R5C3=3", "R8C4=6", "R7C7=3", "R5C2=8", "R6C2=5", "R8C2=2", "R1C5=9", "R3C1=2", "R6C3=2", "R0C5=3", "R4C0=1", "R3C0=4", "R7C0=9", "R5C1=9" ]
1,212
007026105100870064060050000008700000005009342040015900400092006003100028002360400
837426195159873264264951873928734651715689342346215987481592736693147528572368419
backtracking
[ "R3C1=2", "R6C7=3", "R8C1=7", "R3C4=3", "R8C5=8", "R3C8=1", "R4C0=7", "R7C4=4", "R2C3=9", "R8C8=9", "R2C0=2", "R0C3=4", "R3C7=5", "R5C2=6", "R2C5=1", "R0C1=3", "R1C2=9", "R1C5=3", "R7C6=5", "R5C3=2", "R5C0=3", "R4C4=8", "R3C5=4", "R7C5=7", "R3C0=9", "R3C6=6", "R7C1=9", "R7C0=6", "R8C0=5", "R4C1=1", "R6C6=7", "R6C3=5", "R4C3=6", "R0C7=9", "R1C1=5", "R8C7=1", "R5C8=7", "R2C8=3", "R6C1=8", "R2C7=7", "R2C6=8", "R0C0=8", "R6C2=1", "R1C6=2", "R5C7=8", "R2C2=4" ]
1,213
069800030200000581070450000000700068000508102003001940040106050620009007307040090
569812734234967581871453629152794368496538172783621945948176253625389417317245896
backtracking
[ "R5C3=6", "R4C7=7", "R3C0=1", "R0C0=5", "R1C2=4", "R4C0=4", "R3C4=9", "R5C8=5", "R3C6=3", "R2C2=1", "R8C8=6", "R5C4=2", "R0C6=7", "R3C5=4", "R2C8=9", "R0C5=2", "R7C2=5", "R4C2=6", "R6C0=9", "R1C4=6", "R2C0=8", "R7C7=1", "R7C6=4", "R1C5=7", "R5C0=7", "R0C8=4", "R5C1=8", "R2C7=2", "R8C1=1", "R8C3=2", "R3C1=5", "R6C2=8", "R2C5=3", "R6C8=3", "R4C1=9", "R0C4=1", "R8C6=8", "R1C1=3", "R6C4=7", "R2C6=6", "R7C3=3", "R7C4=8", "R1C3=9", "R6C6=2", "R3C2=2", "R4C4=3", "R8C5=5" ]
1,214
002009700405018902300000080001300846000057003209060010803020450520006001007040000
182439765475618932396275184751392846648157293239864517863721459524986371917543628
backtracking
[ "R5C5=4", "R1C1=7", "R6C8=9", "R2C4=7", "R2C8=4", "R7C7=7", "R2C3=2", "R8C6=6", "R6C3=7", "R7C2=4", "R8C5=3", "R4C1=4", "R8C0=9", "R0C7=6", "R7C4=8", "R2C5=5", "R4C6=2", "R6C1=6", "R6C5=1", "R8C7=2", "R5C1=3", "R4C0=6", "R0C3=4", "R1C3=6", "R3C4=9", "R4C2=8", "R0C4=3", "R8C1=1", "R8C8=8", "R0C8=5", "R5C8=7", "R2C6=1", "R3C0=7", "R2C2=6", "R0C1=8", "R7C6=3", "R3C1=5", "R5C6=5", "R2C1=9", "R3C5=2", "R0C0=1", "R5C3=8", "R8C3=5", "R4C7=9", "R7C3=9", "R1C7=3", "R4C3=1" ]
1,215
038050907000008200004029065001600029700501003005080400410000000600732000020900756
238456917596178234174329865381647529742591683965283471417865392659732148823914756
backtracking
[ "R7C2=9", "R1C3=1", "R3C6=5", "R4C6=6", "R0C0=2", "R2C1=7", "R4C1=4", "R4C2=2", "R3C4=4", "R0C5=6", "R5C1=6", "R7C8=8", "R1C4=7", "R1C2=6", "R5C3=2", "R1C7=3", "R1C0=5", "R4C4=9", "R8C0=8", "R0C7=1", "R2C6=8", "R6C5=5", "R5C7=7", "R1C8=4", "R6C6=3", "R4C7=8", "R5C0=9", "R3C1=8", "R7C1=5", "R6C7=9", "R5C5=3", "R6C2=7", "R3C5=7", "R2C0=1", "R6C3=8", "R2C3=3", "R5C8=1", "R6C4=6", "R7C6=1", "R8C4=1", "R6C8=2", "R3C0=3", "R8C2=3", "R7C7=4", "R1C1=9", "R8C5=4", "R0C3=4" ]
1,216
008000900300250007794000005600003750003790004800640001207500860000370100061002003
528437916316259487794861235649123758153798624872645391237514869985376142461982573
backtracking
[ "R1C6=4", "R1C5=9", "R1C1=1", "R3C8=8", "R2C4=6", "R8C0=4", "R7C1=8", "R6C4=1", "R7C0=9", "R5C5=5", "R2C6=2", "R0C4=3", "R7C8=2", "R8C7=7", "R3C1=4", "R7C7=4", "R4C6=6", "R3C2=9", "R1C2=6", "R2C3=8", "R1C7=8", "R7C2=5", "R4C0=1", "R4C7=2", "R0C1=2", "R0C7=1", "R8C4=8", "R0C8=6", "R0C3=4", "R4C1=5", "R6C1=3", "R6C5=4", "R5C6=3", "R3C3=1", "R0C0=5", "R8C3=9", "R5C1=7", "R4C5=8", "R5C2=2", "R5C7=9", "R2C7=3", "R6C8=9", "R3C4=2", "R0C5=7", "R7C5=6", "R8C6=5", "R2C5=1" ]
1,217
000000407652407300000638900006010280001900006078200050403560001000021004090004600
389152467652497318714638925546713289231985746978246153423569871867321594195874632
backtracking
[ "R1C7=1", "R0C1=8", "R3C0=5", "R7C1=6", "R4C5=5", "R4C1=3", "R3C1=4", "R2C0=7", "R0C3=1", "R7C6=5", "R6C7=7", "R8C8=2", "R0C7=6", "R5C4=4", "R2C2=4", "R8C4=7", "R8C7=3", "R5C6=1", "R7C3=3", "R6C5=9", "R8C3=8", "R5C5=6", "R7C2=7", "R6C1=2", "R4C7=4", "R1C4=9", "R8C2=5", "R7C0=8", "R8C0=1", "R5C0=9", "R3C5=3", "R0C5=2", "R4C0=2", "R2C7=2", "R0C2=9", "R5C8=3", "R2C1=1", "R6C6=8", "R0C0=3", "R3C8=9", "R3C3=7", "R4C4=8", "R7C7=9", "R2C8=5", "R4C6=7", "R0C4=5", "R1C8=8" ]
1,218
250040006000807030001005000100000024023004700006390008970021600008000570360050900
257943816694817235831265497189576324523184769746392158975421683418639572362758941
backtracking
[ "R2C0=8", "R2C3=2", "R8C7=4", "R2C7=9", "R0C5=3", "R7C4=3", "R6C2=5", "R6C7=8", "R0C2=7", "R2C6=4", "R5C1=4", "R4C0=5", "R7C5=9", "R4C4=8", "R1C8=5", "R3C6=3", "R3C5=6", "R8C5=8", "R5C0=7", "R3C2=9", "R1C0=6", "R7C3=6", "R3C3=5", "R4C7=6", "R2C8=7", "R1C2=4", "R5C5=2", "R6C8=3", "R5C6=1", "R8C3=7", "R3C1=8", "R7C1=1", "R1C1=9", "R2C1=3", "R5C7=5", "R4C3=1", "R1C6=2", "R2C4=6", "R8C8=1", "R0C3=9", "R3C4=7", "R0C6=8", "R0C7=1", "R7C8=2", "R6C3=4", "R8C2=2", "R4C8=9", "R7C0=4", "R1C4=1" ]
1,219
000250016000809500430000002090001027260030040800007300901060030052004700308510900
789253416126849573435176892593481627267935148814627359941768235652394781378512964
backtracking
[ "R0C2=9", "R5C3=6", "R4C6=1", "R6C6=2", "R1C0=1", "R3C0=5", "R5C7=5", "R3C6=6", "R5C4=2", "R3C4=8", "R6C3=7", "R8C8=4", "R8C1=7", "R7C0=6", "R2C5=6", "R7C7=8", "R2C7=9", "R0C6=4", "R1C2=6", "R0C5=3", "R6C1=4", "R1C4=4", "R1C1=2", "R1C7=7", "R8C5=2", "R0C0=7", "R3C2=3", "R5C2=4", "R8C7=6", "R1C8=3", "R4C3=9", "R5C1=1", "R7C4=9", "R6C5=8", "R6C8=5", "R2C6=8", "R0C1=8", "R7C3=3", "R4C8=8", "R5C8=9", "R2C4=7", "R4C2=7", "R3C3=4", "R2C2=5", "R2C3=1", "R4C5=5", "R7C8=1" ]
1,220
070004389000108000020030050086001023400050000190070060000006002703200406000947100
671524389359168247824739651586491723437652918192873564945316872713285496268947135
constraint_programming
[ "R4C8=8", "R6C2=5", "R1C2=9", "R5C6=5", "R2C6=6", "R1C6=2", "R3C6=7", "R4C6=9", "R6C1=4", "R1C4=6", "R1C8=7", "R7C7=9", "R4C3=6", "R3C0=5", "R4C1=3", "R0C3=5", "R6C6=8", "R3C4=9", "R4C2=7", "R8C2=8", "R1C7=4", "R3C3=4", "R2C8=1", "R5C5=3", "R8C0=2", "R7C5=5", "R2C5=9", "R4C5=2", "R7C4=8", "R6C3=3", "R8C7=3", "R4C7=1", "R5C2=2", "R8C1=6", "R0C0=6", "R7C1=1", "R0C4=2", "R2C2=4", "R0C2=1", "R2C0=8", "R6C4=1", "R2C3=7", "R5C3=8", "R1C0=3", "R6C0=9", "R8C8=5", "R6C7=7", "R1C1=5", "R5C8=4" ]
1,221
605080210000400608000130509300002000090560007854000000070010304009057100201903060
645789213913425678728136549367892451192564837854371926576218394439657182281943765
backtracking
[ "R5C5=1", "R1C2=3", "R1C4=2", "R1C0=9", "R7C7=8", "R3C7=5", "R1C1=1", "R4C2=2", "R1C7=7", "R7C0=4", "R5C3=3", "R8C1=8", "R5C6=9", "R5C7=2", "R6C3=2", "R3C4=9", "R0C8=3", "R0C3=7", "R2C1=2", "R2C7=4", "R0C1=4", "R7C8=2", "R8C8=5", "R3C3=8", "R8C4=4", "R6C5=8", "R6C0=5", "R4C5=4", "R8C6=7", "R6C2=6", "R5C4=7", "R0C5=9", "R1C5=5", "R6C7=9", "R7C1=3", "R4C7=3", "R4C0=1", "R3C8=1", "R4C6=8", "R3C2=7", "R3C1=6", "R2C5=6", "R5C8=6", "R3C6=4", "R7C3=6", "R2C2=8", "R2C0=7" ]
1,222
070000003000060280801004090002400065900702130100380000760000050009015802005003940
674928513593167284821534697382491765946752138157386429768249351439615872215873946
backtracking
[ "R8C8=6", "R5C1=5", "R0C4=2", "R1C5=7", "R4C2=6", "R5C2=7", "R3C6=7", "R7C1=3", "R5C6=4", "R8C4=7", "R6C4=4", "R1C0=5", "R6C8=1", "R3C4=9", "R5C8=9", "R6C3=2", "R2C6=6", "R8C3=8", "R0C2=4", "R5C7=2", "R2C3=5", "R1C8=4", "R1C2=3", "R2C1=2", "R6C5=9", "R3C0=3", "R7C0=4", "R2C8=7", "R0C7=1", "R4C1=4", "R0C6=5", "R3C5=1", "R4C4=5", "R1C3=1", "R7C3=6", "R1C1=9", "R6C6=3", "R3C1=8", "R4C8=8", "R0C3=9", "R0C0=6", "R5C5=6", "R2C4=3", "R7C7=7", "R0C5=8", "R6C2=8", "R8C1=1", "R8C0=2" ]
1,223
005076030090004607004900052010708206700450090003092015130209004020015000006000800
285176439391524687674983152519738246762451398843692715138269574427815963956347821
constraint_programming
[ "R8C5=7", "R0C6=4", "R7C6=9", "R1C0=3", "R2C0=6", "R6C4=6", "R4C5=1", "R3C7=4", "R5C1=4", "R1C2=1", "R0C1=8", "R8C0=9", "R3C4=3", "R0C8=9", "R6C2=8", "R2C4=8", "R3C2=9", "R7C3=8", "R8C3=3", "R0C3=1", "R4C8=8", "R8C8=1", "R5C0=8", "R6C7=7", "R2C6=1", "R1C4=2", "R2C5=3", "R4C1=6", "R8C4=4", "R0C0=2", "R3C0=5", "R5C3=6", "R7C7=6", "R7C8=3", "R4C2=2", "R6C6=5", "R1C7=8", "R5C6=7", "R7C2=7", "R1C3=5", "R2C1=7", "R4C6=3", "R8C1=5", "R8C7=2", "R7C0=4" ]
1,224
790008000060902001300056200040017600200894000801200050504000390020005007030640008
792138465465972831318456279943517682256894713871263954584721396629385147137649528
backtracking
[ "R7C6=1", "R7C7=4", "R0C4=3", "R3C8=2", "R8C0=1", "R3C0=9", "R1C6=8", "R3C3=5", "R4C2=6", "R2C1=1", "R8C2=7", "R7C4=8", "R4C8=3", "R7C2=9", "R4C6=7", "R0C8=5", "R6C3=7", "R1C7=3", "R4C7=1", "R6C5=1", "R4C1=5", "R8C7=2", "R1C2=5", "R1C0=4", "R1C4=7", "R8C6=5", "R2C8=9", "R6C8=6", "R5C1=7", "R0C7=6", "R0C2=2", "R5C6=9", "R0C6=4", "R7C3=3", "R2C2=8", "R7C0=6", "R8C5=9", "R5C5=3", "R0C3=1", "R3C7=8", "R5C4=6", "R3C2=3", "R5C8=4", "R2C7=7", "R6C1=8", "R6C4=2", "R2C3=4" ]
1,225
700049810010000302003520004040286030300000009160003070005100986089070000600400050
726349815514867392893521764947286531358714629162953478475132986289675143631498257
backtracking
[ "R4C2=8", "R6C5=2", "R4C3=7", "R7C0=2", "R8C6=2", "R1C2=4", "R5C3=9", "R4C1=5", "R1C3=8", "R1C5=7", "R8C4=9", "R7C3=6", "R3C6=5", "R5C8=8", "R5C6=4", "R6C0=4", "R4C6=6", "R0C1=2", "R1C4=6", "R2C7=6", "R7C7=4", "R8C1=3", "R5C2=2", "R0C8=5", "R0C2=6", "R2C1=9", "R1C0=5", "R6C4=3", "R1C7=9", "R8C8=7", "R2C6=7", "R7C8=3", "R6C1=7", "R4C7=2", "R5C4=5", "R8C5=8", "R2C0=8", "R4C4=1", "R3C2=7", "R4C5=4", "R3C0=9", "R3C8=1", "R7C5=5", "R7C6=1", "R2C5=1", "R8C2=1", "R0C3=3" ]
1,226
007500008004823057000094600600007210308060004709001000000050009930002506800100472
297516348164823957583794621645987213318265794729341865472658139931472586856139472
backtracking
[ "R2C3=7", "R2C2=3", "R3C1=4", "R7C4=7", "R7C7=8", "R0C5=6", "R2C0=5", "R5C6=8", "R5C3=3", "R1C1=6", "R6C7=3", "R0C6=3", "R3C3=9", "R3C2=5", "R0C7=4", "R5C8=5", "R2C7=2", "R8C5=9", "R4C3=2", "R6C3=6", "R7C3=4", "R4C1=1", "R2C8=1", "R8C2=6", "R4C5=5", "R8C4=3", "R0C1=9", "R6C0=4", "R1C6=9", "R4C7=9", "R1C0=1", "R4C6=7", "R6C2=2", "R8C1=5", "R0C4=1", "R5C7=6", "R3C8=3", "R0C0=2", "R7C2=1", "R3C4=8", "R2C1=8", "R5C4=4", "R5C1=2", "R6C1=7", "R6C5=8", "R6C6=1" ]
1,227
000320700890045000010006050030000008400590003700800160009700420006410980002009307
654328791897145632213976854931267548468591273725834169189753426376412985542689317
backtracking
[ "R6C8=6", "R3C7=4", "R8C7=1", "R5C2=5", "R8C3=6", "R7C0=3", "R1C3=1", "R5C5=4", "R1C8=2", "R7C8=5", "R4C1=6", "R0C0=6", "R0C1=5", "R2C4=7", "R0C7=9", "R4C6=2", "R3C0=9", "R5C8=9", "R4C5=1", "R6C0=1", "R8C0=5", "R1C6=6", "R6C4=5", "R6C1=8", "R5C1=2", "R3C6=5", "R6C5=3", "R2C2=3", "R2C0=2", "R1C7=3", "R3C5=7", "R8C1=4", "R2C3=9", "R2C6=8", "R2C8=4", "R0C5=8", "R8C4=8", "R7C1=7", "R3C4=6", "R7C5=2", "R4C7=7", "R5C4=3", "R3C3=2", "R3C2=1", "R0C2=4", "R1C2=7", "R4C2=8", "R0C8=1" ]
1,228
060200009120308060000500007370050000604002090901460350037001008000000210008940605
765214839129378564843596127372159486654832791981467352537621948496785213218943675
backtracking
[ "R6C7=4", "R2C0=8", "R3C5=9", "R6C6=9", "R0C7=3", "R6C4=2", "R5C8=2", "R3C2=2", "R2C1=4", "R8C5=3", "R0C4=1", "R4C4=3", "R4C3=8", "R1C8=4", "R7C3=7", "R0C5=4", "R7C2=6", "R1C6=5", "R2C7=2", "R1C4=7", "R4C1=5", "R0C0=7", "R7C0=4", "R6C0=5", "R7C5=5", "R0C2=5", "R5C5=7", "R2C5=6", "R6C3=6", "R8C0=2", "R8C1=1", "R7C1=9", "R4C6=7", "R2C4=9", "R3C6=4", "R8C7=7", "R2C2=3", "R0C6=8", "R3C3=1", "R3C7=8", "R7C8=3", "R7C4=8", "R3C8=6", "R1C2=9", "R4C8=1", "R5C1=8", "R2C6=1" ]
1,229
930005020000010607006420010100094000087100306050007240090200085065900000002043700
931765824248319657576428913123694578487152396659837241394276185765981432812543769
backtracking
[ "R5C8=1", "R0C4=6", "R6C0=3", "R0C8=4", "R0C6=8", "R2C0=5", "R8C0=8", "R3C1=2", "R3C7=7", "R1C3=3", "R5C3=8", "R6C6=1", "R3C8=8", "R2C6=9", "R7C0=7", "R7C5=1", "R1C5=9", "R4C5=2", "R3C3=6", "R6C4=7", "R0C3=7", "R2C5=8", "R7C4=8", "R0C2=1", "R4C0=4", "R7C6=4", "R2C8=3", "R4C7=9", "R7C7=3", "R5C2=9", "R1C1=4", "R3C2=3", "R7C8=2", "R3C6=5", "R8C1=1", "R1C7=5", "R2C1=7", "R1C2=8", "R8C7=6", "R6C2=4", "R5C0=6", "R8C8=9", "R1C0=2", "R6C5=6", "R8C3=5", "R5C4=3", "R4C4=5" ]
1,230
002700896640010003580203000061000204000300051075080300010807000900034075000092010
132745896647918523589263147361579284894326751275481369416857932928134675753692418
backtracking
[ "R5C3=4", "R5C5=1", "R5C0=2", "R8C2=3", "R2C2=9", "R3C0=3", "R4C2=4", "R7C2=8", "R6C2=6", "R5C8=9", "R5C7=6", "R4C1=9", "R0C1=3", "R6C7=3", "R1C5=8", "R7C3=1", "R8C8=8", "R8C6=4", "R7C6=6", "R3C5=9", "R1C3=9", "R2C4=6", "R6C4=5", "R2C8=7", "R1C7=2", "R2C7=4", "R7C1=2", "R4C0=8", "R1C6=5", "R0C0=1", "R8C0=7", "R8C3=6", "R8C1=5", "R0C4=4", "R3C4=7", "R3C3=5", "R1C2=7", "R4C4=2", "R4C5=6", "R6C8=2", "R6C6=9", "R2C6=1", "R4C6=7", "R6C0=4", "R3C7=8", "R0C5=5" ]
1,231
090006003108000259700005048070060000002008530006049801000300024430070100215900000
594826713168437259723195648871563492942718536356249871687351924439672185215984367
backtracking
[ "R0C3=8", "R7C7=8", "R7C8=5", "R2C4=9", "R2C2=3", "R7C5=2", "R3C6=4", "R6C6=9", "R1C4=3", "R3C5=3", "R6C4=5", "R3C8=2", "R6C1=8", "R0C6=7", "R1C5=7", "R5C7=7", "R8C5=4", "R5C0=3", "R2C1=2", "R3C0=8", "R4C0=9", "R6C2=7", "R8C6=3", "R8C7=6", "R4C1=4", "R0C2=4", "R5C1=5", "R8C4=8", "R7C2=9", "R0C0=5", "R2C3=1", "R2C6=6", "R3C7=9", "R1C3=4", "R0C7=1", "R4C3=7", "R6C0=6", "R3C2=1", "R6C5=1", "R5C3=2", "R4C4=1", "R8C8=7", "R3C3=5", "R4C8=6", "R7C3=6", "R0C4=2", "R1C1=6" ]
1,232
038000100067020950120069007074002065310400070000003800090040008000018700502900040
938754126467821953125369487874192365316485279259673814791246538643518792582937641
backtracking
[ "R6C5=6", "R5C4=7", "R0C3=7", "R0C7=2", "R0C8=6", "R4C6=2", "R6C0=7", "R6C7=3", "R5C7=1", "R1C0=4", "R2C6=4", "R5C0=2", "R4C8=9", "R3C3=1", "R8C1=8", "R2C7=8", "R0C0=9", "R8C8=1", "R1C3=8", "R7C7=9", "R0C5=4", "R5C1=5", "R4C5=5", "R2C2=5", "R3C4=9", "R8C5=7", "R6C2=1", "R5C3=6", "R0C4=5", "R5C2=9", "R7C3=5", "R2C3=3", "R4C2=6", "R5C8=4", "R6C3=2", "R8C6=6", "R3C6=3", "R7C2=3", "R1C8=3", "R3C0=8", "R8C4=3", "R6C6=5", "R7C0=6", "R1C5=1", "R7C8=2", "R4C4=8", "R7C1=4" ]
1,233
709300015010070900400500062100603020020040356080007009670021090200000008005704030
769382415512476983438519762154693827927148356386257149673821594241935678895764231
backtracking
[ "R6C3=8", "R5C4=5", "R1C3=4", "R8C6=2", "R4C5=8", "R7C5=5", "R0C1=6", "R7C3=9", "R2C4=1", "R7C2=1", "R0C6=4", "R4C3=1", "R3C8=7", "R6C2=3", "R3C1=5", "R2C2=8", "R8C4=6", "R5C3=2", "R0C5=2", "R7C7=7", "R8C8=1", "R3C6=8", "R5C2=6", "R8C0=8", "R5C6=1", "R5C0=3", "R6C6=5", "R1C7=8", "R2C5=9", "R6C8=4", "R5C7=4", "R7C1=4", "R2C1=3", "R1C0=5", "R8C1=9", "R2C6=7", "R1C8=3", "R3C4=9", "R7C4=3", "R1C5=6", "R1C2=2", "R3C2=4", "R4C0=9", "R4C2=7", "R7C6=6", "R0C4=8" ]
1,234
750409301001305009008020000013040000600000785200690000507001940030002508002700600
756489321421375869398126457813547296649213785275698134567831942134962578982754613
backtracking
[ "R1C7=6", "R4C1=4", "R7C4=6", "R2C0=3", "R0C7=2", "R8C4=5", "R0C2=6", "R1C6=8", "R7C3=9", "R3C7=9", "R8C0=9", "R2C1=9", "R5C7=3", "R8C5=4", "R4C5=3", "R5C6=1", "R1C4=7", "R2C8=7", "R7C0=1", "R3C0=8", "R6C1=6", "R3C5=7", "R4C2=9", "R5C2=5", "R0C4=8", "R3C3=5", "R8C1=8", "R2C3=1", "R3C8=6", "R6C4=3", "R2C7=5", "R5C8=4", "R5C5=8", "R3C6=2", "R8C7=1", "R4C4=1", "R6C3=8", "R5C1=7", "R7C7=7", "R2C6=4", "R1C0=4", "R1C1=2", "R4C3=2", "R6C8=2", "R8C8=3", "R2C5=6", "R7C2=4" ]
1,235
070000540091703060260080000400820016000090035002001900600950023003104000800006107
378612549591743862264589371439825716186497235752361984617958423923174658845236197
backtracking
[ "R8C7=9", "R6C5=8", "R2C6=3", "R5C1=5", "R2C5=9", "R1C8=2", "R1C0=5", "R1C4=4", "R4C2=6", "R4C3=4", "R8C3=2", "R8C2=5", "R4C1=8", "R0C2=8", "R2C2=4", "R1C6=8", "R3C2=9", "R0C3=6", "R5C8=4", "R2C8=1", "R0C5=2", "R2C7=7", "R7C6=6", "R3C5=5", "R0C8=9", "R4C6=2", "R8C4=3", "R7C4=7", "R8C1=4", "R6C1=1", "R4C0=1", "R5C7=8", "R4C5=7", "R7C8=8", "R5C0=7", "R5C4=6", "R6C6=4", "R7C7=5", "R0C0=3", "R3C6=7", "R7C0=9", "R0C4=1", "R2C3=5", "R6C2=7", "R3C1=3", "R7C1=2", "R5C3=3" ]
1,236
008092560030410007000807000600003701200005000450070890090068000060000319120500040
718392564532416987946857123689243751271985436453671892394168275865724319127539648
backtracking
[ "R4C1=7", "R6C8=5", "R0C0=7", "R8C4=3", "R3C7=5", "R6C2=4", "R1C5=6", "R7C3=7", "R8C8=8", "R4C4=8", "R7C0=8", "R0C3=3", "R1C2=2", "R3C4=4", "R4C2=1", "R1C0=5", "R3C2=9", "R8C2=7", "R8C5=9", "R3C3=2", "R6C7=7", "R2C1=4", "R2C2=6", "R8C6=6", "R2C4=5", "R5C2=3", "R6C0=3", "R3C1=8", "R6C6=2", "R1C7=8", "R2C8=3", "R2C7=2", "R5C8=2", "R4C8=6", "R2C6=1", "R7C5=4", "R6C3=1", "R7C4=2", "R4C3=9", "R0C1=1", "R0C8=4", "R7C2=5", "R4C6=4", "R5C5=1", "R4C7=3", "R5C3=6", "R1C6=9", "R2C0=9" ]
1,237
082005970500640080700090010050401000020068003609000820010709004006030200800050090
482315976591647382763892415358421769127968543649573821215789634976134258834256197
backtracking
[ "R7C1=7", "R6C7=3", "R2C3=8", "R8C8=7", "R7C5=4", "R2C2=3", "R3C0=3", "R7C8=8", "R5C5=3", "R5C4=7", "R8C5=6", "R7C0=9", "R7C3=1", "R0C8=6", "R6C6=6", "R1C8=2", "R8C3=2", "R2C5=2", "R1C1=9", "R4C2=7", "R3C8=9", "R8C2=4", "R4C0=1", "R8C6=1", "R8C1=3", "R4C7=4", "R1C6=3", "R1C5=7", "R0C4=1", "R3C6=7", "R6C2=5", "R3C4=2", "R4C3=9", "R7C7=5", "R3C2=8", "R2C6=4", "R2C8=5", "R5C3=5", "R6C4=8", "R6C0=2", "R1C2=1", "R5C1=4", "R0C3=3", "R0C0=4", "R4C6=5", "R3C7=6", "R2C1=6", "R5C8=1" ]
1,238
038100004000000790200596008600804301080079065050010200102000040005302900470900006
938127654516438792247596138629854371381279465754613289192765843865342917473981526
backtracking
[ "R7C1=6", "R1C2=6", "R8C4=8", "R8C7=2", "R4C6=4", "R0C0=9", "R4C2=1", "R0C4=2", "R2C2=7", "R5C3=6", "R5C8=9", "R2C6=1", "R1C1=1", "R6C5=5", "R0C7=5", "R0C6=6", "R7C8=7", "R5C0=7", "R6C4=6", "R7C0=8", "R6C6=8", "R4C3=2", "R6C1=9", "R0C5=7", "R3C2=9", "R5C2=4", "R1C8=2", "R3C7=7", "R8C5=1", "R1C0=5", "R7C4=4", "R3C1=2", "R7C7=1", "R2C1=4", "R5C7=8", "R8C6=5", "R4C0=3", "R1C4=3", "R6C3=7", "R6C8=3", "R2C7=3", "R1C3=4", "R8C2=3", "R5C5=3", "R1C5=8", "R3C4=5" ]
1,239
080500071002300000340060020050090768000400090076051002007000943401002500063008000
689524371712389654345167829154293768238476195976851432827615943491732586563948217
constraint_programming
[ "R8C6=2", "R4C4=7", "R4C8=5", "R5C3=8", "R2C3=1", "R2C6=8", "R6C5=5", "R1C1=1", "R0C0=6", "R3C3=2", "R4C6=1", "R4C0=2", "R1C5=9", "R8C8=7", "R7C1=9", "R0C4=2", "R4C2=8", "R1C6=6", "R5C0=9", "R1C4=8", "R2C2=5", "R1C7=5", "R4C5=6", "R6C0=8", "R3C5=3", "R3C0=1", "R7C3=7", "R6C3=6", "R2C5=7", "R8C3=9", "R3C2=4", "R8C7=1", "R8C0=5", "R6C4=1", "R4C1=3", "R7C8=6", "R6C1=2", "R5C6=4", "R0C2=9", "R1C0=7", "R7C4=3", "R2C8=9", "R7C7=8", "R5C7=3", "R0C6=3", "R1C8=4", "R8C4=4", "R0C5=4" ]
1,240
030098010605700002009400050014250067090070000006009435402106300300000008070000120
237598614645731892189462753814253967593674281726819435452186379361927548978345126
backtracking
[ "R2C1=8", "R3C0=8", "R8C3=3", "R0C8=4", "R2C6=7", "R4C2=3", "R2C5=2", "R4C7=8", "R0C6=6", "R8C4=4", "R4C8=1", "R4C3=6", "R7C7=4", "R2C0=1", "R3C5=3", "R4C0=5", "R6C7=7", "R2C8=3", "R1C7=9", "R5C4=1", "R5C3=8", "R7C1=6", "R7C3=9", "R0C0=2", "R1C4=3", "R4C5=4", "R0C3=5", "R7C5=7", "R8C5=5", "R3C6=9", "R5C0=7", "R6C4=8", "R7C2=1", "R5C1=2", "R7C4=2", "R1C6=8", "R8C8=6", "R6C8=9", "R8C0=9", "R0C2=7", "R4C6=2", "R1C5=1", "R7C6=5", "R1C1=4", "R2C4=6", "R8C2=8", "R6C1=5" ]
1,241
036809005000070419100000300608700940040200000250006031790350600000020080300064500
436819275825673419179542368618735942943281756257496831791358624564927183382164597
backtracking
[ "R2C4=4", "R2C3=5", "R7C0=5", "R4C8=6", "R7C5=7", "R4C6=7", "R7C8=3", "R2C5=2", "R8C2=2", "R5C6=8", "R7C6=1", "R8C1=8", "R1C2=5", "R7C3=9", "R4C2=3", "R2C8=8", "R8C7=9", "R5C4=9", "R0C4=1", "R2C7=6", "R2C1=7", "R3C5=5", "R8C8=7", "R6C2=1", "R6C8=4", "R1C0=8", "R5C2=7", "R0C7=7", "R5C3=4", "R4C0=9", "R3C8=2", "R1C5=3", "R3C4=3", "R7C2=4", "R0C6=2", "R4C4=8", "R8C3=1", "R1C3=6", "R4C7=5", "R0C0=4", "R4C5=1", "R1C1=2", "R2C2=9", "R6C5=8", "R7C1=6", "R6C7=2", "R3C1=1" ]
1,242
304000872170608300050002400709500060016000009030400100800750020001024003500030608
364195872172648395958372416789513264416287539235469187843756921691824753527931648
constraint_programming
[ "R6C2=3", "R5C8=7", "R5C0=2", "R8C1=2", "R5C4=6", "R6C8=1", "R6C6=9", "R3C1=8", "R8C7=4", "R2C4=7", "R4C4=8", "R3C5=3", "R8C2=7", "R3C6=2", "R3C4=1", "R4C7=3", "R1C8=5", "R0C3=1", "R2C8=6", "R4C3=2", "R0C5=5", "R0C4=9", "R6C5=6", "R7C6=7", "R2C2=8", "R2C3=3", "R7C1=9", "R7C0=6", "R4C5=7", "R7C3=8", "R7C7=5", "R1C7=9", "R5C2=5", "R2C0=9", "R8C5=1", "R6C1=4", "R8C3=9", "R4C6=5", "R1C2=2", "R1C4=4", "R2C7=1", "R0C1=6", "R3C8=4", "R5C5=9", "R4C0=4", "R5C7=8" ]
1,243
650071004008000000003006902000090018100648300020500700460050073309002000075100680
652971834948325167713486952536297418197648325824513796461859273389762541275134689
backtracking
[ "R3C1=3", "R1C8=7", "R3C3=2", "R8C0=2", "R2C7=5", "R7C7=4", "R6C6=2", "R7C4=6", "R7C6=5", "R5C2=4", "R7C1=8", "R3C5=7", "R8C4=3", "R6C2=1", "R1C1=4", "R6C5=9", "R2C4=8", "R7C3=7", "R1C3=3", "R4C2=7", "R7C8=1", "R4C8=5", "R0C7=3", "R5C7=9", "R1C7=6", "R5C4=1", "R2C1=1", "R8C8=9", "R1C6=1", "R8C5=4", "R1C4=2", "R4C7=2", "R1C5=5", "R3C6=4", "R5C0=8", "R3C2=6", "R6C3=8", "R0C3=9", "R1C0=9", "R3C0=5", "R5C5=3", "R2C0=7", "R2C3=4", "R0C6=8", "R5C8=6", "R0C2=2", "R4C1=9" ]
1,244
090060800102009003540000720014080006000054030070010980257093600060875000000001400
793562841182749563546138729914387256628954137375216984257493618461875392839621475
backtracking
[ "R5C2=5", "R2C4=3", "R2C3=1", "R7C0=4", "R0C3=5", "R3C7=5", "R8C2=9", "R5C5=6", "R7C8=2", "R3C0=9", "R8C4=2", "R0C8=1", "R4C1=2", "R8C1=3", "R2C8=9", "R8C8=5", "R6C8=8", "R5C8=4", "R2C5=8", "R4C8=7", "R1C6=5", "R3C6=2", "R6C7=1", "R6C3=4", "R3C5=7", "R5C3=2", "R8C7=7", "R4C0=6", "R8C0=8", "R0C2=3", "R7C6=3", "R8C3=6", "R0C0=7", "R2C2=6", "R1C4=4", "R7C7=9", "R4C3=9", "R4C2=8", "R1C1=8", "R3C3=3", "R1C3=7", "R7C2=1", "R1C7=6", "R5C0=3", "R0C5=2", "R4C6=1", "R0C7=4" ]
1,245
009080400002001900704030060000305000261049700070206009500090008807063120416000005
159687432632451987784932561948375216261849753375216849523194678897563124416728395
backtracking
[ "R0C7=3", "R1C3=4", "R6C7=7", "R7C8=4", "R3C1=4", "R2C6=5", "R0C8=2", "R3C0=9", "R5C4=1", "R2C3=9", "R8C7=9", "R8C4=2", "R3C8=6", "R3C4=7", "R6C2=3", "R0C0=1", "R6C5=4", "R5C7=4", "R0C5=7", "R1C0=6", "R4C3=8", "R1C1=3", "R4C8=3", "R5C6=8", "R6C1=2", "R8C6=3", "R0C3=6", "R2C1=8", "R0C1=5", "R8C5=8", "R7C3=5", "R7C1=9", "R3C6=2", "R5C2=5", "R3C7=1", "R1C7=8", "R1C8=7", "R8C3=7", "R6C6=6", "R1C4=5", "R5C0=3", "R6C3=1", "R2C5=2", "R3C2=8", "R2C8=1", "R4C7=5" ]
1,246
000300509001820064074000800050000617062504000700009000010000732040605198908002000
826341579591827364374956821459283617162574983783169245615498732247635198938712456
constraint_programming
[ "R5C4=6", "R0C5=1", "R6C2=5", "R8C8=6", "R8C3=7", "R6C0=6", "R5C3=1", "R6C3=4", "R3C3=2", "R1C1=9", "R3C2=9", "R0C0=8", "R4C4=7", "R8C4=1", "R5C1=8", "R1C0=5", "R2C4=5", "R3C5=3", "R7C2=7", "R2C8=1", "R6C5=8", "R8C1=3", "R8C6=4", "R5C7=4", "R7C4=3", "R0C4=4", "R0C1=2", "R7C0=2", "R4C7=8", "R1C6=3", "R0C7=7", "R6C4=9", "R5C6=2", "R3C4=8", "R2C0=3", "R4C6=9", "R4C8=3", "R5C8=5", "R8C7=5", "R2C5=6", "R5C2=3", "R2C7=2", "R4C0=1", "R2C3=9", "R3C0=4", "R1C5=7", "R0C2=6" ]
1,247
057003000009006152286000090300781000900600408001500063003010275000300080040097000
157923846439876152286154397364781529975632418821549763693418275712365984548297631
backtracking
[ "R0C0=1", "R3C1=6", "R2C6=3", "R7C5=5", "R7C0=7", "R8C7=3", "R6C3=4", "R0C4=2", "R2C5=4", "R0C8=6", "R4C4=3", "R3C2=4", "R7C4=6", "R1C4=7", "R5C4=4", "R0C7=4", "R4C1=7", "R0C3=9", "R8C0=5", "R8C3=2", "R6C5=8", "R7C1=1", "R5C1=2", "R2C8=7", "R4C5=2", "R2C3=1", "R0C6=8", "R4C7=1", "R6C1=9", "R1C3=8", "R3C6=5", "R3C7=2", "R1C0=4", "R7C6=9", "R5C0=8", "R1C1=3", "R7C8=4", "R8C2=8", "R3C8=9", "R8C6=6", "R8C8=1", "R5C5=9", "R4C2=5", "R2C4=5", "R6C0=6", "R5C6=7", "R7C2=2" ]
1,248
079050000000400008802007030000100900010002576365004020601008090003270680040930005
479853162136429758852617439287165943914382576365794821621548397593271684748936215
backtracking
[ "R0C6=1", "R1C5=9", "R7C5=1", "R0C7=6", "R3C2=7", "R2C4=1", "R3C0=2", "R1C2=6", "R2C1=5", "R0C0=4", "R5C8=1", "R8C0=7", "R5C4=9", "R6C6=3", "R1C4=2", "R7C1=9", "R3C1=8", "R5C3=7", "R4C0=9", "R6C4=4", "R4C4=8", "R0C5=3", "R1C6=7", "R4C2=4", "R4C3=3", "R5C6=8", "R3C8=3", "R7C8=4", "R3C7=4", "R1C7=5", "R1C0=1", "R6C1=2", "R6C3=5", "R7C0=5", "R8C2=8", "R8C5=6", "R6C8=7", "R2C6=4", "R3C4=6", "R1C1=3", "R8C6=2", "R2C8=9", "R0C3=8", "R3C5=5", "R0C8=2", "R8C7=1", "R2C3=6" ]
1,249
007062180500090600000100429006047508401000000098000003204050001080600790630020000
947362185512498637863175429326947518451283976798516243274859361185634792639721854
backtracking
[ "R1C7=3", "R4C5=3", "R3C7=1", "R6C1=7", "R3C1=2", "R8C5=1", "R7C0=1", "R7C8=2", "R3C0=3", "R3C3=9", "R7C4=3", "R8C6=8", "R7C2=5", "R5C5=6", "R4C4=8", "R5C0=7", "R8C3=7", "R4C1=5", "R7C5=4", "R4C6=9", "R6C3=8", "R1C3=4", "R1C1=1", "R4C3=2", "R5C7=4", "R0C3=3", "R0C1=4", "R6C5=9", "R1C8=7", "R8C7=5", "R1C2=2", "R2C5=5", "R2C4=7", "R4C8=6", "R1C5=8", "R4C7=7", "R6C6=3", "R8C2=9", "R0C0=9", "R5C3=5", "R0C8=5", "R5C6=2", "R8C8=4", "R2C1=6", "R2C2=3", "R6C7=6", "R5C4=1", "R2C0=8" ]
1,250
006145780340700009000902010037000040009016200800000000160480050208090300500000071
926145783341768529785932416637259148459816237812374695163487952278591364594623871
backtracking
[ "R7C7=6", "R2C8=6", "R6C2=3", "R8C4=2", "R4C3=8", "R2C6=4", "R1C6=5", "R1C2=1", "R7C8=4", "R8C5=3", "R2C1=8", "R8C1=9", "R3C0=6", "R0C8=3", "R7C3=5", "R5C1=1", "R2C2=5", "R5C7=9", "R6C6=9", "R4C8=7", "R3C3=2", "R3C8=8", "R6C8=2", "R4C1=5", "R5C4=7", "R3C4=5", "R2C0=7", "R8C3=6", "R3C5=9", "R4C7=3", "R5C5=4", "R1C5=8", "R1C7=2", "R1C4=6", "R6C5=7", "R0C1=2", "R7C1=7", "R5C8=5", "R4C0=4", "R8C2=4", "R7C5=1", "R8C6=8", "R5C3=3", "R5C6=6", "R2C4=3", "R0C0=9", "R5C2=2", "R3C6=1" ]
1,251
000268000070300400096704002109080007540000300302000560000600803908002050051000704
413268975275391486896754132169583247547926318382147569724615893938472651651839724
backtracking
[ "R6C7=9", "R8C7=2", "R3C7=4", "R2C7=3", "R8C5=9", "R0C7=7", "R0C6=9", "R6C5=5", "R2C6=1", "R5C4=4", "R6C2=4", "R0C0=4", "R8C0=6", "R7C6=6", "R6C1=2", "R8C4=3", "R5C8=9", "R2C4=5", "R1C5=1", "R5C5=7", "R1C8=6", "R3C3=5", "R4C7=1", "R6C4=1", "R4C5=6", "R7C1=3", "R4C2=7", "R7C3=4", "R4C8=8", "R0C1=1", "R3C5=3", "R3C1=6", "R7C4=7", "R6C0=7", "R7C8=1", "R3C6=2", "R4C4=2", "R5C3=1", "R1C4=9", "R2C0=8", "R0C2=3", "R8C3=8", "R0C8=5", "R1C0=2", "R4C3=9", "R5C1=8", "R1C7=8", "R1C2=5" ]
1,252
002000003039006704000014200600023005870001690054090080100700020367050900005408000
412975863539286714786314259691823475873541692254697381148739526367152948925468137
constraint_programming
[ "R2C2=6", "R6C6=5", "R0C0=4", "R0C7=6", "R2C8=9", "R0C3=9", "R2C3=3", "R6C1=4", "R6C5=9", "R1C3=2", "R5C6=3", "R0C5=5", "R6C2=8", "R3C7=7", "R8C8=7", "R1C7=1", "R1C0=5", "R1C4=8", "R4C4=4", "R3C3=8", "R3C6=4", "R6C8=6", "R4C2=3", "R0C4=7", "R4C3=5", "R8C6=1", "R7C7=4", "R4C8=2", "R8C1=2", "R5C3=6", "R8C7=3", "R3C1=9", "R2C7=5", "R5C5=7", "R6C4=3", "R2C0=7", "R5C0=2", "R8C4=6", "R0C1=1", "R8C0=9", "R0C6=8", "R7C5=2", "R7C3=1", "R5C8=1", "R2C1=8", "R3C2=1", "R7C8=8" ]
1,253
502007030390080004000010020003460089750100600040008052010650008030009017409700200
562947831391286574874513926123465789758192643946378152217654398635829417489731265
constraint_programming
[ "R0C8=1", "R8C5=1", "R4C4=9", "R5C2=6", "R8C1=8", "R1C2=1", "R1C6=5", "R0C1=6", "R8C8=5", "R4C8=3", "R2C5=3", "R6C6=3", "R6C2=7", "R7C4=2", "R8C4=3", "R6C0=2", "R3C6=7", "R4C2=8", "R0C4=4", "R7C6=4", "R2C1=7", "R5C4=7", "R0C3=9", "R3C0=1", "R3C5=5", "R5C6=1", "R7C3=8", "R1C7=7", "R6C5=4", "R7C0=6", "R2C3=5", "R2C6=9", "R3C1=2", "R1C5=6", "R1C3=2", "R5C3=3", "R6C7=9", "R4C5=2", "R8C7=6", "R2C0=8", "R2C2=4", "R7C2=5", "R4C7=4", "R0C6=8", "R2C8=6", "R5C0=9" ]
1,254
010908000300010054009007016026800000408060209030405700800000502002006490504073000
615948327387612954249357816726839145458761239931425768863194572172586493594273681
backtracking
[ "R8C7=8", "R1C1=8", "R6C7=7", "R5C7=6", "R3C8=5", "R8C6=6", "R5C0=9", "R7C1=7", "R3C6=1", "R3C7=4", "R1C3=6", "R0C0=6", "R7C4=8", "R7C8=3", "R0C8=7", "R4C7=3", "R7C0=1", "R4C3=7", "R8C8=1", "R2C1=4", "R5C4=2", "R4C5=1", "R3C5=9", "R6C3=1", "R2C4=5", "R4C1=5", "R6C5=4", "R8C3=2", "R6C1=6", "R8C1=9", "R2C0=2", "R5C8=8", "R0C2=5", "R0C7=2", "R6C2=3", "R5C2=1", "R1C5=2", "R3C0=7", "R2C3=3", "R2C6=8", "R0C4=4", "R1C6=9", "R6C4=9", "R1C2=7", "R7C3=5", "R3C4=3", "R0C6=3" ]
1,255
560080934000700058020040070080000065402503001000009300205300607001407000098001020
567182934914736258823945176389214765472563891156879342245398617631427589798651423
backtracking
[ "R7C0=6", "R3C2=9", "R5C2=6", "R2C3=9", "R3C4=1", "R0C3=1", "R8C6=4", "R1C4=3", "R1C0=9", "R5C8=2", "R1C1=1", "R5C0=1", "R8C3=6", "R0C5=2", "R7C4=2", "R5C3=8", "R7C6=5", "R4C4=6", "R6C4=9", "R2C8=6", "R8C8=3", "R5C7=4", "R5C4=7", "R3C3=2", "R2C2=3", "R3C5=4", "R7C7=8", "R2C6=1", "R8C0=7", "R1C5=6", "R6C7=1", "R3C6=7", "R8C4=5", "R5C1=5", "R6C5=8", "R7C1=3", "R1C2=4", "R3C0=3", "R6C1=4", "R4C1=7", "R2C0=8", "R7C8=9", "R4C6=8", "R2C5=5", "R1C6=2", "R4C7=9", "R0C2=7" ]
1,256
907050063000902080004007200500010000060080730001006540096870002300400016802305000
927158463653942187184637295548713629269584731731296548496871352375429816812365974
backtracking
[ "R3C6=6", "R8C1=1", "R1C4=4", "R5C3=2", "R8C8=4", "R7C6=8", "R4C0=2", "R1C1=5", "R2C3=6", "R5C8=8", "R0C3=1", "R7C4=2", "R3C7=2", "R4C5=4", "R4C2=9", "R3C5=3", "R3C3=7", "R1C2=3", "R2C4=3", "R5C0=7", "R0C1=2", "R3C2=8", "R8C4=6", "R6C7=5", "R7C1=7", "R1C0=6", "R6C0=4", "R6C6=3", "R0C6=4", "R5C4=9", "R1C8=7", "R1C6=1", "R0C5=8", "R4C3=5", "R5C1=3", "R3C1=4", "R2C0=1", "R4C8=1", "R6C5=1", "R8C6=9", "R3C8=9", "R8C7=7", "R7C5=9", "R7C2=5", "R2C8=5", "R2C7=9", "R2C1=8" ]
1,257
004029000302050071908360500001000600250801030000040007003000020400706098087003154
574129863362458971918367542741932685256871439839645217193584726425716398687293154
backtracking
[ "R3C0=7", "R3C1=4", "R8C3=2", "R1C6=9", "R4C4=7", "R4C8=9", "R0C7=6", "R5C5=5", "R0C8=3", "R6C6=7", "R8C4=9", "R6C4=8", "R5C0=8", "R0C0=5", "R2C8=2", "R7C2=5", "R6C1=9", "R7C4=1", "R2C1=1", "R2C7=4", "R4C6=4", "R6C0=1", "R0C6=8", "R1C5=8", "R5C1=3", "R3C5=2", "R3C4=3", "R5C3=6", "R2C5=7", "R0C1=7", "R0C3=1", "R1C1=6", "R6C3=5", "R5C2=9", "R5C7=1", "R3C8=5", "R4C2=6", "R5C6=2", "R3C7=8", "R7C1=2", "R3C3=9", "R6C5=4", "R8C0=6", "R1C3=4", "R7C6=3", "R6C8=6" ]
1,258
160800009208070050030009200503000074082000930400108006007300065000012400040065300
165823749298471653734659218513296874682547931479138526927384165356912487841765392
constraint_programming
[ "R0C4=2", "R1C5=1", "R7C2=6", "R0C2=5", "R8C0=8", "R5C2=9", "R7C3=9", "R1C1=9", "R0C6=7", "R6C5=4", "R4C8=1", "R0C5=3", "R3C4=9", "R2C3=6", "R0C7=4", "R7C0=3", "R7C1=5", "R4C4=4", "R3C1=1", "R7C8=7", "R3C3=2", "R6C4=8", "R1C3=4", "R3C5=6", "R2C4=5", "R8C3=7", "R5C7=2", "R1C8=3", "R4C5=7", "R4C0=6", "R8C7=9", "R2C0=7", "R5C1=7", "R2C8=8", "R2C2=4", "R5C6=5", "R7C7=8", "R5C4=3", "R8C8=2", "R6C1=2", "R1C6=6", "R3C6=8", "R4C3=5", "R6C6=1", "R6C0=9", "R8C2=1", "R2C7=1" ]
1,259
160508400000002503020700090200870050009100007304006008501240300000005000607309080
163598472798462513425731896216873954859124637374956128581247369932685741647319285
backtracking
[ "R5C6=1", "R3C5=3", "R2C5=1", "R7C3=6", "R1C0=7", "R2C4=3", "R0C4=9", "R8C6=2", "R1C7=1", "R4C5=4", "R7C4=8", "R1C4=6", "R8C1=4", "R1C1=9", "R5C3=9", "R2C0=4", "R3C6=9", "R0C8=2", "R7C0=9", "R6C5=7", "R6C7=6", "R1C2=8", "R4C6=6", "R7C8=1", "R7C2=2", "R2C6=8", "R2C8=6", "R1C3=4", "R8C8=5", "R7C6=7", "R8C4=1", "R0C2=3", "R3C1=1", "R0C7=7", "R4C7=3", "R6C8=9", "R2C2=5", "R7C7=4", "R4C0=8", "R3C8=4", "R3C2=6", "R6C1=8", "R5C7=2", "R5C1=7", "R4C4=2", "R4C1=5", "R7C1=3", "R5C4=5" ]
1,260
600300070008070019370280000800603052001004890020000007405100003090042061000005080
614359278258476319379281645847693152531724896926518437485167923793842561162935784
backtracking
[ "R3C4=9", "R3C1=4", "R4C3=7", "R8C3=9", "R1C6=3", "R5C6=4", "R0C8=8", "R1C0=2", "R0C5=9", "R5C7=3", "R7C6=5", "R2C8=5", "R8C1=6", "R8C4=3", "R6C4=6", "R4C4=2", "R5C3=5", "R4C1=3", "R1C5=6", "R5C0=9", "R0C6=2", "R1C3=4", "R8C6=7", "R2C2=9", "R6C1=8", "R7C3=8", "R0C2=4", "R8C8=4", "R0C1=1", "R0C4=5", "R6C5=7", "R2C7=4", "R8C2=2", "R5C2=6", "R6C7=2", "R7C0=7", "R7C2=3", "R3C6=1", "R8C0=1", "R4C8=6", "R5C5=8", "R2C6=6", "R6C6=9", "R2C5=1", "R1C1=5", "R3C2=7", "R4C0=5", "R5C4=1" ]
1,261
057480000090720853000009000709002010600000978000030420036050180004300069102000500
257483691491726853368519742749862315623145978815937426936254187584371269172698534
backtracking
[ "R7C6=2", "R6C0=9", "R2C6=7", "R2C1=6", "R8C1=7", "R7C5=1", "R2C2=8", "R1C5=6", "R8C7=3", "R0C8=1", "R5C1=1", "R4C2=3", "R5C5=7", "R4C4=4", "R5C2=5", "R4C5=5", "R0C5=3", "R3C4=6", "R0C7=9", "R5C0=8", "R2C4=1", "R2C8=2", "R1C2=1", "R8C4=9", "R3C1=4", "R7C1=8", "R0C6=6", "R4C1=2", "R2C7=4", "R4C3=1", "R6C8=7", "R3C3=8", "R8C3=6", "R8C5=8", "R5C3=9", "R1C0=4", "R8C8=4", "R5C8=6", "R7C0=5", "R3C6=3", "R2C0=3", "R6C3=2", "R7C4=7", "R6C5=4", "R0C0=2", "R3C8=5", "R2C3=5" ]
1,262
000036080005941600007200400901508062060000004802000071020300500310004008506009000
194736285285941637637285419941578362763192854852463971428317596319654728576829143
backtracking
[ "R0C8=5", "R7C3=6", "R4C4=9", "R2C8=9", "R4C6=8", "R8C3=8", "R8C8=3", "R4C2=3", "R4C0=7", "R8C1=7", "R7C4=5", "R0C2=4", "R6C0=4", "R1C1=8", "R4C7=5", "R7C2=9", "R8C4=2", "R0C0=1", "R4C3=1", "R2C0=6", "R4C5=2", "R2C4=8", "R5C1=5", "R1C8=7", "R8C7=4", "R5C4=6", "R6C2=8", "R0C3=7", "R3C1=4", "R7C7=2", "R2C1=3", "R8C6=1", "R0C6=2", "R3C6=3", "R1C0=2", "R1C7=3", "R6C7=9", "R7C6=7", "R5C6=9", "R5C5=3", "R2C7=1", "R6C5=7", "R3C4=7", "R2C5=5", "R0C1=9", "R5C3=4", "R6C4=1", "R6C8=6" ]
1,263
065000400400001620008690000000502300300960015020407000700005032800070190143080070
965723481437851629218694753689512347374968215521437968796145832852376194143289576
backtracking
[ "R0C4=2", "R7C2=2", "R7C8=4", "R1C1=3", "R2C5=4", "R6C4=4", "R6C1=9", "R5C6=9", "R0C0=9", "R7C5=6", "R3C0=6", "R0C3=7", "R2C7=5", "R6C6=8", "R8C3=2", "R2C8=3", "R2C0=2", "R2C1=1", "R6C3=1", "R7C3=3", "R6C2=6", "R0C7=8", "R5C8=8", "R4C1=7", "R3C8=7", "R4C2=4", "R7C1=5", "R5C2=1", "R5C4=3", "R5C7=6", "R4C6=2", "R0C5=3", "R1C8=9", "R8C6=5", "R3C4=1", "R1C3=8", "R3C2=9", "R3C7=4", "R2C6=7", "R0C8=1", "R1C2=7", "R5C0=5", "R8C5=9", "R1C4=5", "R8C8=6", "R3C1=8", "R4C5=8" ]
1,264
000002005674590001802040300090080600005730090006001070100059800049000120300600007
931862745674593281852147369793485612215736498486921573167259834549378126328614957
backtracking
[ "R0C3=8", "R5C8=3", "R6C3=2", "R4C5=6", "R7C5=8", "R5C3=9", "R1C7=8", "R0C6=7", "R3C3=4", "R6C2=7", "R4C0=2", "R8C5=4", "R0C4=6", "R2C5=7", "R3C7=1", "R6C8=4", "R7C0=5", "R5C0=4", "R1C6=2", "R7C3=3", "R5C1=8", "R3C5=5", "R6C7=3", "R8C4=1", "R0C2=1", "R8C2=8", "R6C1=6", "R4C1=1", "R7C4=7", "R8C7=5", "R3C0=7", "R0C1=3", "R4C6=4", "R0C0=9", "R2C1=5", "R3C2=3", "R5C4=2", "R7C8=6", "R3C8=2", "R2C7=6", "R5C6=5", "R2C8=9", "R4C8=8", "R0C7=4", "R1C5=3", "R8C1=2", "R8C6=9", "R2C3=1" ]
1,265
000300506001720003700064080002100030800000005563080024005009300000045709106870000
284391576651728943739564281942156837817432695563987124475219368328645719196873452
backtracking
[ "R0C2=4", "R6C0=4", "R8C6=4", "R4C4=3", "R7C7=1", "R4C3=4", "R2C2=9", "R2C6=2", "R3C8=7", "R0C4=9", "R0C5=1", "R5C5=7", "R6C4=1", "R8C5=3", "R4C7=9", "R4C2=7", "R7C1=2", "R8C7=5", "R2C3=5", "R3C6=8", "R2C8=1", "R5C6=1", "R0C7=7", "R3C1=4", "R1C6=9", "R7C2=8", "R2C1=3", "R1C1=5", "R4C6=6", "R6C7=6", "R1C7=4", "R8C1=9", "R0C0=2", "R6C3=2", "R8C8=2", "R7C3=6", "R1C0=6", "R6C1=7", "R6C8=8", "R3C5=6", "R3C0=9", "R1C5=8", "R5C3=9", "R4C1=1", "R7C0=3", "R3C4=5", "R4C5=2", "R0C1=8" ]
1,266
000000058004702090063108700590003014000000500318090006200010900176500400000360005
721946358854732691963158742592673814647281539318495276235814967176529483489367125
backtracking
[ "R4C3=2", "R2C8=2", "R3C6=8", "R1C8=1", "R5C3=4", "R7C8=3", "R8C1=8", "R6C1=3", "R5C6=2", "R5C5=5", "R4C7=3", "R7C7=8", "R4C4=8", "R8C6=1", "R2C4=5", "R2C7=4", "R8C2=9", "R8C7=2", "R1C1=5", "R4C1=4", "R3C4=7", "R1C0=8", "R7C5=9", "R5C7=7", "R6C3=8", "R0C5=6", "R1C4=3", "R0C3=9", "R2C0=9", "R7C4=2", "R1C6=6", "R6C2=5", "R8C0=4", "R3C2=2", "R0C2=1", "R4C2=7", "R0C0=7", "R6C7=6", "R4C5=1", "R8C5=7", "R4C8=9", "R0C6=3", "R0C4=4", "R3C3=6", "R6C8=7", "R6C5=4", "R0C1=2", "R4C0=6" ]
1,267
010000700809060013054070609000403002002010590560027400030000821080100070000095006
613289754879564213254371689798453162342618597561927438935746821486132975127895346
backtracking
[ "R6C4=4", "R0C2=3", "R3C0=7", "R5C3=9", "R3C4=5", "R3C1=9", "R5C2=1", "R4C5=8", "R4C0=3", "R2C5=1", "R7C0=4", "R1C3=5", "R8C1=2", "R5C7=3", "R8C3=8", "R7C5=2", "R0C7=5", "R5C8=8", "R1C1=7", "R8C0=1", "R4C3=6", "R3C2=8", "R2C3=3", "R2C7=8", "R3C7=6", "R8C6=3", "R0C8=4", "R6C3=7", "R6C5=6", "R0C5=9", "R0C3=2", "R6C0=9", "R0C0=6", "R3C6=1", "R1C6=2", "R7C6=9", "R6C2=5", "R1C5=4", "R7C8=5", "R7C4=3", "R8C2=7", "R8C7=4", "R4C1=4", "R2C0=2", "R7C2=6", "R0C4=8", "R4C8=7" ]
1,268
006170500003900702500204000102405000009010040047003009901782460800000000000060013
296178534413956782578234691182495376359617248647823159931782465865341927724569813
backtracking
[ "R4C1=5", "R5C3=8", "R8C1=2", "R1C7=8", "R7C1=6", "R8C0=7", "R1C4=5", "R5C6=1", "R8C5=9", "R0C5=8", "R7C5=1", "R7C8=7", "R7C3=3", "R2C7=9", "R7C2=5", "R3C1=8", "R4C0=3", "R4C6=2", "R2C8=1", "R7C7=2", "R5C7=5", "R0C8=4", "R1C0=4", "R2C6=6", "R4C3=6", "R7C6=9", "R4C5=7", "R3C4=9", "R2C1=7", "R1C1=1", "R6C1=3", "R3C7=7", "R8C3=5", "R3C8=6", "R0C0=2", "R3C6=3", "R5C0=6", "R2C4=3", "R8C2=4", "R7C4=4", "R5C4=2", "R4C8=8", "R2C2=8", "R6C8=5", "R0C1=9", "R1C5=6", "R0C7=3", "R8C6=8" ]
1,269
060020004407610000001007038000905260900304051008070000520000009700008120003006075
365829714487613592291457638134985267972364851658172943526741389749538126813296475
backtracking
[ "R6C6=3", "R2C0=2", "R7C3=5", "R3C8=7", "R5C3=1", "R6C7=8", "R4C2=2", "R0C7=1", "R2C6=6", "R7C1=4", "R7C8=6", "R8C4=9", "R2C4=5", "R1C8=2", "R4C4=6", "R0C5=9", "R6C4=4", "R6C2=6", "R2C1=9", "R3C4=8", "R2C3=4", "R8C6=4", "R3C2=4", "R5C1=5", "R8C1=1", "R1C7=9", "R7C4=3", "R7C2=9", "R8C0=8", "R4C1=7", "R5C8=3", "R5C0=6", "R4C6=8", "R0C0=3", "R1C1=8", "R0C2=5", "R5C7=4", "R0C6=7", "R5C5=2", "R3C0=1", "R6C5=1", "R0C3=8", "R1C5=3", "R3C1=3", "R6C3=7", "R5C6=9", "R8C3=2", "R1C6=5" ]
1,270
401090008500063420090070056080005013050700800300809700900000030002046590037001000
461592378578163429293478156784625913159734862326819745945287631812346597637951284
backtracking
[ "R0C6=3", "R7C3=3", "R5C7=4", "R5C4=1", "R6C3=2", "R8C3=9", "R4C2=9", "R0C5=2", "R2C2=3", "R4C5=4", "R3C2=4", "R8C6=2", "R3C6=9", "R2C0=2", "R4C4=3", "R5C8=5", "R1C1=7", "R4C7=6", "R4C8=2", "R2C5=8", "R8C4=5", "R2C3=4", "R8C0=6", "R6C8=1", "R3C4=2", "R5C1=2", "R6C5=7", "R1C8=9", "R3C3=6", "R1C3=1", "R1C2=8", "R7C8=7", "R7C1=1", "R0C3=5", "R6C4=8", "R3C0=7", "R0C1=6", "R6C2=5", "R4C0=1", "R8C8=4", "R7C0=8", "R5C2=6", "R8C7=8", "R0C7=7", "R6C1=4", "R6C6=6", "R2C6=1" ]
1,271
070809000520410007030002140040000030306070900980006512000028000100600300800034675
471869253529413867638752149245981736316275984987346512763528491154697328892134675
backtracking
[ "R7C8=8", "R7C5=7", "R5C3=3", "R6C6=4", "R3C2=5", "R3C6=7", "R8C3=1", "R2C4=5", "R4C7=8", "R0C2=1", "R0C6=2", "R4C5=5", "R3C8=6", "R5C4=4", "R6C7=9", "R2C8=9", "R0C7=5", "R3C3=9", "R2C3=7", "R8C2=2", "R2C0=6", "R0C0=4", "R6C2=3", "R5C2=7", "R6C0=7", "R7C7=2", "R0C8=3", "R4C3=2", "R4C1=1", "R3C4=8", "R7C2=4", "R2C2=8", "R4C8=4", "R8C1=9", "R1C7=6", "R1C5=3", "R6C1=6", "R0C4=6", "R3C0=2", "R7C1=5", "R1C6=8", "R6C3=5", "R6C8=1", "R3C5=1", "R7C4=9", "R1C2=9" ]
1,272
406370005002008009005014068000600003030920500100000040020090030600705980073002001
486379125312568479795214368257641893834927516169853247528196734641735982973482651
backtracking
[ "R8C3=4", "R3C5=1", "R6C8=4", "R3C0=2", "R1C7=7", "R6C2=8", "R8C0=9", "R7C1=4", "R1C4=6", "R5C1=6", "R2C3=2", "R8C7=5", "R8C6=6", "R2C0=7", "R7C2=1", "R4C8=6", "R5C4=5", "R1C6=4", "R5C8=7", "R3C7=9", "R2C6=3", "R3C1=5", "R3C2=7", "R1C1=1", "R4C0=8", "R5C3=8", "R3C6=8", "R7C4=3", "R5C5=3", "R1C3=5", "R1C0=3", "R5C2=9", "R7C8=2", "R0C6=1", "R6C6=7", "R0C5=9", "R3C4=4", "R6C0=5", "R6C5=6", "R4C5=7", "R8C4=8", "R4C7=1", "R0C1=8", "R5C6=2", "R6C3=1", "R0C7=2", "R2C1=9", "R4C2=4" ]
1,273
430070008095001070000980001700460820529030600000700300004013002070840960006200050
431576298895321476267984531713469825529138647648752319954613782172845963386297154
backtracking
[ "R3C5=9", "R0C7=9", "R3C8=5", "R5C4=5", "R4C3=1", "R5C2=8", "R6C0=9", "R6C7=8", "R0C2=1", "R2C5=4", "R2C0=2", "R8C1=8", "R4C5=8", "R0C6=2", "R7C8=3", "R6C3=6", "R2C2=7", "R7C5=5", "R1C6=4", "R1C3=3", "R5C1=4", "R2C1=6", "R5C0=6", "R8C8=4", "R3C1=1", "R3C2=3", "R8C6=1", "R5C8=9", "R1C4=2", "R5C7=1", "R7C0=1", "R1C0=8", "R6C6=7", "R2C6=5", "R1C8=6", "R6C1=5", "R8C5=7", "R4C8=7", "R2C7=3", "R0C3=5", "R8C4=9", "R8C0=3", "R0C5=6", "R5C5=2", "R4C7=4", "R7C2=2" ]
1,274
900602800700040310016050020000200048670001009308900700500370002439000007000400160
943612875752849316816753924195237648674581239328964751561378492439126587287495163
backtracking
[ "R4C4=8", "R1C2=2", "R1C8=6", "R8C1=8", "R2C8=4", "R5C8=1", "R2C3=7", "R1C3=8", "R3C2=5", "R6C6=4", "R5C5=4", "R2C5=3", "R8C8=3", "R7C4=2", "R4C3=5", "R7C6=5", "R4C7=3", "R5C7=5", "R7C3=1", "R4C2=4", "R5C4=6", "R3C6=6", "R0C8=5", "R8C5=5", "R6C5=8", "R3C4=3", "R1C5=9", "R1C1=5", "R0C1=4", "R7C5=6", "R0C2=3", "R8C4=9", "R2C0=8", "R2C6=9", "R6C1=6", "R0C7=7", "R3C0=1", "R0C4=1", "R7C7=8", "R3C1=9", "R8C0=2", "R3C5=7", "R4C6=2", "R6C2=1", "R5C1=2", "R8C2=7", "R6C7=9" ]
1,275
601008025020750000800009000008003210042000690060010007010095000900370540730840061
691438725423756189857129436578963214142587693369214857214695378986371542735842961
constraint_programming
[ "R4C3=5", "R7C8=2", "R3C8=4", "R6C6=3", "R7C2=6", "R5C7=5", "R5C6=8", "R7C1=8", "R5C0=3", "R2C1=5", "R5C3=2", "R4C4=8", "R6C0=2", "R3C1=7", "R2C8=6", "R2C2=7", "R6C8=8", "R0C4=3", "R8C6=9", "R6C3=6", "R4C5=7", "R4C8=3", "R1C5=6", "R8C2=5", "R2C7=3", "R1C7=8", "R5C2=9", "R0C1=9", "R2C6=4", "R2C3=1", "R7C5=1", "R4C0=1", "R3C4=6", "R0C6=7", "R3C3=9", "R6C7=7", "R1C6=1", "R0C3=4", "R5C5=4", "R8C5=2", "R1C0=4", "R1C8=9", "R1C2=3", "R3C0=5", "R2C4=2", "R6C2=4" ]
1,276
702005980080034010040009753000000160820070000005310009970580600003600090000201400
732165984589734216146829753397458162821976345465312879974583621213647598658291437
backtracking
[ "R6C7=2", "R4C5=6", "R8C4=9", "R3C1=9", "R1C0=5", "R3C2=7", "R3C5=8", "R1C8=6", "R3C0=3", "R7C4=4", "R0C8=4", "R4C6=3", "R3C4=5", "R8C0=6", "R8C2=8", "R4C7=4", "R1C3=7", "R5C7=7", "R6C5=3", "R5C1=6", "R3C3=4", "R0C4=6", "R7C1=1", "R5C6=8", "R8C7=3", "R0C1=3", "R1C2=9", "R4C8=5", "R3C8=2", "R0C3=1", "R2C4=2", "R6C2=4", "R8C1=5", "R4C2=1", "R6C8=1", "R7C6=5", "R5C5=2", "R1C6=2", "R2C2=6", "R4C3=9", "R7C5=7", "R8C8=7", "R7C8=8", "R7C0=2", "R5C0=4", "R2C0=1", "R2C3=8" ]
1,277
000007000591200360300000081602004708970130205430000000104000009003780610060050000
846317952591248367327965481612594738978136245435872196184623579253789614769451823
backtracking
[ "R0C0=8", "R1C4=4", "R3C1=1", "R8C8=3", "R3C7=3", "R5C4=7", "R3C4=9", "R5C6=1", "R6C6=5", "R0C1=4", "R5C5=2", "R5C8=6", "R0C6=9", "R5C7=9", "R7C8=4", "R7C1=5", "R1C8=7", "R6C3=6", "R1C5=8", "R6C7=7", "R2C2=7", "R8C6=8", "R8C3=4", "R0C7=5", "R2C5=5", "R5C3=8", "R8C0=7", "R5C2=5", "R0C4=1", "R8C7=2", "R8C2=9", "R8C5=1", "R2C3=9", "R2C6=4", "R4C2=8", "R4C5=6", "R0C8=2", "R7C0=2", "R6C4=2", "R3C3=5", "R4C7=4", "R7C5=9", "R0C2=6", "R6C5=3", "R2C4=6", "R6C1=8", "R2C1=2", "R0C3=3" ]
1,278
004210000901006800320004000050020143000300900800907060640090370238060010007080052
584219736971536824326874591759628143462351987813947265645192378238765419197483652
constraint_programming
[ "R8C3=4", "R6C2=5", "R4C2=2", "R0C8=6", "R3C0=7", "R2C3=8", "R2C8=1", "R4C1=6", "R2C2=6", "R3C5=8", "R2C7=9", "R4C0=4", "R5C8=5", "R0C6=7", "R4C5=1", "R8C6=6", "R7C6=4", "R7C5=5", "R0C5=9", "R0C1=8", "R2C4=7", "R6C8=8", "R4C8=7", "R5C2=3", "R1C7=2", "R6C5=2", "R2C6=5", "R7C8=9", "R8C5=3", "R1C8=4", "R7C3=7", "R5C4=4", "R8C1=9", "R3C2=9", "R3C3=6", "R1C1=7", "R0C0=5", "R1C3=5", "R8C0=1", "R1C4=3", "R5C6=2", "R5C1=1", "R0C7=3", "R4C4=5", "R6C3=1", "R4C7=8" ]
1,279
000000700607102008080950026005670091001094305040300800300000000104760000090040237
912486753657132948483957126235678491861294375749315862378529614124763589596841237
backtracking
[ "R8C3=8", "R0C4=8", "R5C7=6", "R6C5=9", "R0C3=4", "R6C8=4", "R8C2=6", "R3C6=4", "R6C6=6", "R5C8=2", "R2C0=4", "R6C7=1", "R5C2=9", "R4C3=2", "R8C5=1", "R1C1=5", "R0C0=9", "R5C4=1", "R0C8=3", "R2C5=7", "R6C4=2", "R8C0=5", "R1C6=9", "R6C2=8", "R3C5=8", "R3C0=2", "R0C2=2", "R4C7=7", "R5C0=7", "R7C6=5", "R2C2=3", "R7C1=2", "R6C1=7", "R1C4=3", "R0C5=6", "R4C1=6", "R3C1=3", "R4C0=8", "R2C6=1", "R7C7=8", "R1C7=4", "R0C1=1", "R7C8=9", "R5C5=5", "R6C3=5", "R7C5=3", "R0C7=5" ]
1,280
000306008208000090706040230005198004003004600800007025069000003010900500000501047
941326758238715496756849231625198374173254689894637125569472813417983562382561947
backtracking
[ "R4C4=5", "R0C0=9", "R5C3=6", "R6C7=1", "R3C0=6", "R7C4=8", "R3C7=7", "R8C2=2", "R2C3=8", "R4C7=8", "R4C0=1", "R2C1=5", "R5C2=4", "R3C1=2", "R5C4=3", "R6C4=7", "R8C0=3", "R0C2=1", "R8C1=8", "R1C4=1", "R7C0=4", "R6C5=2", "R5C6=1", "R5C1=9", "R0C7=5", "R7C2=7", "R1C6=4", "R8C4=6", "R0C1=4", "R0C4=2", "R8C6=9", "R4C3=2", "R1C8=6", "R1C3=7", "R6C3=4", "R3C6=3", "R7C5=3", "R6C0=5", "R4C8=9", "R1C5=5", "R6C6=8", "R4C1=7", "R1C1=3", "R0C6=7", "R7C8=2", "R2C5=9", "R2C8=1", "R7C7=6" ]
1,281
830700092000580407000009005709830504000600100100040200067400000210090008350002046
835714692692583417471269835729831564543627189186945273967458321214396758358172946
constraint_programming
[ "R8C3=1", "R0C6=6", "R1C1=9", "R3C1=2", "R4C0=5", "R2C6=8", "R3C7=6", "R0C4=1", "R6C8=1", "R2C4=6", "R2C7=3", "R6C6=3", "R4C7=8", "R6C5=8", "R7C6=7", "R4C5=7", "R1C7=1", "R2C0=4", "R6C7=2", "R3C5=1", "R5C5=5", "R6C0=9", "R4C2=3", "R2C2=1", "R0C5=4", "R4C8=9", "R1C5=3", "R8C2=8", "R7C2=4", "R4C4=2", "R7C7=5", "R2C1=7", "R5C1=8", "R2C3=2", "R7C5=6", "R0C2=5", "R7C3=3", "R5C3=9", "R8C6=9", "R5C2=6", "R4C1=4", "R8C4=7", "R5C7=7", "R5C8=3", "R1C2=2", "R6C4=5", "R1C0=6" ]
1,282
001300060050048000300070092400017830560900100087502600020000004609000083704091000
271359468956248371348176592492617835563984127187532649825763914619425783734891256
backtracking
[ "R7C5=5", "R2C3=1", "R4C2=3", "R0C5=9", "R5C7=4", "R4C8=7", "R8C3=8", "R7C4=2", "R1C7=7", "R6C5=3", "R3C3=6", "R1C3=2", "R4C7=2", "R6C0=8", "R5C8=9", "R0C8=8", "R1C8=1", "R8C8=6", "R3C8=5", "R6C4=6", "R1C0=9", "R7C6=7", "R5C4=3", "R4C5=4", "R8C7=5", "R0C0=2", "R8C1=3", "R8C6=2", "R7C1=1", "R0C6=4", "R2C5=6", "R2C1=4", "R6C2=5", "R0C4=5", "R6C3=7", "R6C7=1", "R2C6=5", "R4C4=8", "R2C2=8", "R7C3=4", "R3C2=2", "R1C6=3", "R6C6=9", "R3C1=9", "R1C2=6", "R5C0=1", "R0C1=7" ]
1,283
060350070985000010230000006000679400002014009600500080300700050001080630070200804
164352978985467213237198546813679425752814369649523781398746152421985637576231894
constraint_programming
[ "R0C0=1", "R2C2=7", "R8C7=9", "R7C1=2", "R8C4=3", "R2C6=5", "R4C3=8", "R6C1=9", "R1C5=7", "R5C5=3", "R3C8=5", "R6C6=1", "R3C7=2", "R4C7=6", "R0C8=8", "R7C0=4", "R1C6=2", "R7C8=7", "R7C3=9", "R5C1=4", "R1C4=6", "R3C1=1", "R6C2=8", "R5C4=2", "R6C5=6", "R3C0=8", "R7C5=5", "R8C5=1", "R4C1=5", "R4C6=3", "R5C8=1", "R6C4=4", "R8C2=6", "R0C5=2", "R0C2=4", "R4C0=7", "R2C3=1", "R8C0=5", "R2C4=9", "R3C2=3", "R0C6=9", "R5C2=9", "R6C8=2", "R1C3=4", "R5C6=7", "R2C7=4", "R2C5=8", "R1C8=3" ]
1,284
050003802700650000040079360090705000520084600607030904302000090009007081000100400
956413872738652149241879365194765238523984617687231954312548796469327581875196423
constraint_programming
[ "R1C6=1", "R8C7=2", "R6C8=6", "R5C1=8", "R8C2=5", "R5C5=1", "R8C1=7", "R7C4=2", "R6C6=7", "R4C3=9", "R3C4=6", "R1C7=4", "R4C7=1", "R0C4=1", "R7C0=4", "R2C3=8", "R5C3=2", "R1C5=2", "R4C8=7", "R1C1=3", "R7C6=5", "R8C8=3", "R3C0=1", "R4C2=3", "R1C8=9", "R2C8=5", "R3C8=8", "R3C7=3", "R6C5=8", "R0C3=4", "R8C0=8", "R0C7=7", "R3C6=2", "R3C2=4", "R0C2=6", "R5C7=5", "R6C1=1", "R0C0=9", "R6C4=4", "R7C1=6", "R2C0=2", "R6C3=5", "R2C2=1", "R8C5=6", "R8C4=9", "R7C3=3", "R1C2=8" ]
1,285
023604007080700300005008009530180006670030854200000700000200605040019000900006043
123694587489751362765328419534187926671932854298465731817243695346519278952876143
backtracking
[ "R5C1=9", "R1C8=2", "R2C0=7", "R0C0=1", "R5C7=3", "R4C2=1", "R6C5=3", "R5C3=4", "R4C5=2", "R4C3=9", "R3C7=2", "R6C4=4", "R6C1=1", "R7C7=7", "R5C8=1", "R2C7=1", "R2C4=2", "R7C3=5", "R5C2=8", "R0C4=9", "R6C2=7", "R7C6=2", "R8C1=5", "R5C4=6", "R7C2=6", "R0C6=5", "R7C8=8", "R3C2=4", "R8C3=8", "R5C5=5", "R1C0=4", "R6C0=8", "R8C4=7", "R2C1=6", "R3C5=7", "R6C7=9", "R1C5=1", "R2C3=3", "R8C6=1", "R2C6=4", "R1C4=5", "R1C2=9", "R7C0=3", "R8C2=2", "R0C7=8", "R3C6=9", "R1C7=6" ]
1,286
094600000128500003600080250807059010060008400000300970030000001000102040950076800
594623187128547693673981254847259316369718425215364978432895761786132549951476832
constraint_programming
[ "R8C3=4", "R3C1=4", "R2C8=4", "R5C2=5", "R0C0=5", "R1C4=4", "R3C6=3", "R2C5=1", "R8C8=2", "R4C7=2", "R8C7=3", "R2C1=7", "R6C0=4", "R0C4=2", "R7C4=3", "R6C5=5", "R0C6=1", "R4C0=3", "R2C3=9", "R1C6=6", "R5C8=8", "R0C5=3", "R6C6=7", "R7C1=8", "R6C4=9", "R1C5=7", "R5C4=6", "R0C7=8", "R4C4=1", "R5C1=1", "R5C0=2", "R8C2=1", "R1C7=9", "R7C0=7", "R4C8=5", "R2C2=3", "R4C2=9", "R4C3=7", "R7C6=5", "R3C8=6", "R3C3=2", "R0C8=7", "R6C3=8", "R7C8=9", "R6C2=2", "R5C5=4", "R7C2=6", "R6C7=6" ]
1,287
009710060530208001000600480800030200641000039090500007150006008000054073007902000
489715362536248791712693485875439216641827539293561847154376928928154673367982154
backtracking
[ "R2C1=1", "R1C7=9", "R2C4=9", "R3C3=4", "R5C6=8", "R8C8=4", "R7C6=6", "R1C4=4", "R8C7=5", "R3C1=7", "R3C2=5", "R3C7=1", "R2C5=3", "R8C0=3", "R0C6=3", "R4C5=7", "R8C1=6", "R7C0=9", "R0C0=4", "R5C4=6", "R5C7=4", "R3C5=9", "R6C2=4", "R6C7=2", "R4C3=8", "R7C1=2", "R3C8=6", "R0C5=5", "R7C2=8", "R6C6=9", "R0C8=2", "R6C4=7", "R5C0=2", "R4C4=2", "R6C3=3", "R5C5=1", "R7C3=1", "R5C2=3", "R2C0=7", "R8C4=8", "R4C6=5", "R2C8=5", "R8C6=1", "R2C2=2", "R1C2=6", "R1C6=7", "R0C1=8" ]
1,288
026005900980030100005060020102009045078401009609080000050100063000300408700042000
326715984987234156415968327132679845578421639649583712854197263291356478763842591
constraint_programming
[ "R8C6=5", "R7C1=9", "R7C4=5", "R3C6=8", "R6C5=7", "R4C7=3", "R5C8=2", "R2C8=7", "R7C7=7", "R5C7=1", "R1C5=4", "R4C4=2", "R0C3=7", "R3C1=3", "R2C5=8", "R0C8=4", "R8C7=9", "R4C0=5", "R1C8=6", "R0C7=8", "R8C3=8", "R3C4=7", "R8C1=6", "R0C0=3", "R7C5=6", "R6C4=9", "R1C2=7", "R8C2=3", "R0C4=1", "R6C6=2", "R2C6=3", "R6C2=4", "R3C3=6", "R5C5=3", "R2C0=4", "R5C1=4", "R8C8=1", "R7C0=2", "R2C1=1", "R4C6=6", "R7C2=1", "R2C3=9", "R5C3=5", "R5C6=7", "R1C3=2", "R6C0=8", "R1C7=5" ]
1,289
000700100200005309085091000047600028003008914900500000074060000090080056001403000
439726185216845379785391642147639528653278914928514763574962831392187456861453297
constraint_programming
[ "R0C4=2", "R1C3=8", "R5C2=8", "R1C4=4", "R5C4=1", "R6C7=3", "R7C2=2", "R0C2=9", "R3C6=5", "R7C6=4", "R6C8=1", "R5C5=4", "R6C6=8", "R5C1=2", "R0C7=8", "R3C4=3", "R5C6=7", "R1C2=6", "R8C8=7", "R2C3=3", "R4C1=5", "R0C1=3", "R3C0=1", "R7C3=1", "R1C7=7", "R1C1=1", "R6C0=5", "R7C0=3", "R2C6=6", "R8C7=9", "R4C3=2", "R2C7=4", "R8C0=8", "R0C8=5", "R6C3=9", "R8C1=6", "R6C5=2", "R8C6=2", "R7C5=7", "R5C8=3", "R0C0=4", "R5C7=6", "R2C0=7", "R8C4=5", "R2C8=2", "R3C5=9", "R0C5=6", "R4C4=7", "R4C0=6" ]
1,290
100080300002071096540200080800300072736000500090060004620710003403890700001000050
167984325382571496549236187814359672736428519295167834628715943453892761971643258
constraint_programming
[ "R6C2=8", "R2C8=7", "R2C2=9", "R6C5=5", "R5C3=1", "R8C0=9", "R4C3=4", "R6C6=9", "R5C2=5", "R8C6=2", "R1C3=5", "R3C4=5", "R0C3=9", "R8C4=4", "R2C6=1", "R8C3=6", "R4C5=8", "R4C8=9", "R3C1=1", "R4C4=2", "R1C6=4", "R2C5=6", "R8C5=3", "R0C2=7", "R0C7=2", "R6C7=4", "R7C5=2", "R3C6=6", "R8C8=8", "R5C5=7", "R8C1=7", "R7C1=5", "R2C4=3", "R3C2=4", "R1C1=8", "R7C7=6", "R0C8=5", "R5C7=3", "R1C0=3", "R0C1=6", "R5C6=8", "R5C0=2", "R3C5=9", "R7C8=1", "R4C7=1", "R0C5=4" ]
1,291
840000739900403002000070081000210050290000306001308000005060000002904070360057800
846521739917483562523679481734216958298745316651398247475862193182934675369157824
backtracking
[ "R6C8=3", "R8C8=4", "R2C1=2", "R3C2=4", "R6C0=4", "R6C6=1", "R2C6=4", "R1C2=7", "R4C2=8", "R0C4=2", "R5C1=5", "R7C6=6", "R3C1=3", "R6C7=9", "R5C0=6", "R3C5=6", "R3C6=9", "R1C6=5", "R8C2=9", "R4C5=5", "R8C7=2", "R3C0=7", "R7C4=3", "R0C2=6", "R2C0=5", "R7C0=1", "R1C1=1", "R5C6=2", "R4C4=4", "R8C3=1", "R2C3=6", "R1C7=6", "R4C3=7", "R5C7=4", "R5C8=7", "R6C1=7", "R3C8=8", "R2C5=9", "R5C4=9", "R2C2=3", "R6C3=8", "R6C5=2", "R0C5=1", "R1C4=8", "R0C3=5", "R7C1=8", "R7C8=5", "R4C7=1" ]
1,292
000370001000080607010000480008106090500024010007900324240603000806005903090040500
684379251952481637713562489428136795539724816167958324245693178876215943391847562
backtracking
[ "R3C4=3", "R2C5=2", "R6C4=9", "R1C0=9", "R8C2=1", "R1C5=1", "R8C0=3", "R5C1=6", "R6C7=7", "R8C7=6", "R2C3=5", "R1C1=5", "R2C2=3", "R5C4=5", "R6C2=5", "R2C4=6", "R8C8=2", "R7C1=7", "R5C0=1", "R7C4=1", "R8C3=8", "R4C8=6", "R0C7=5", "R4C1=3", "R6C6=1", "R0C2=4", "R2C0=7", "R1C3=4", "R7C7=4", "R0C5=9", "R0C6=2", "R6C8=8", "R4C2=9", "R4C6=8", "R0C0=6", "R8C5=7", "R1C2=2", "R2C8=9", "R3C0=4", "R0C1=8", "R4C3=7", "R3C8=5", "R5C5=8", "R3C6=7", "R3C1=2", "R1C7=3", "R7C3=2" ]
1,293
620100000000020374837500100001903400000200087200040900908070030000610005145080060
624137598519826374837594126781963452493251687256748913968475231372619845145382769
backtracking
[ "R6C6=2", "R3C0=7", "R2C5=4", "R6C5=5", "R1C1=1", "R0C8=8", "R8C8=9", "R2C8=6", "R4C2=3", "R4C0=4", "R1C0=5", "R6C3=4", "R1C2=9", "R8C5=2", "R7C0=3", "R4C4=5", "R8C3=3", "R3C4=6", "R7C2=2", "R7C1=7", "R1C5=6", "R5C3=7", "R3C7=5", "R4C5=1", "R3C8=2", "R4C1=9", "R7C7=4", "R3C1=8", "R5C7=1", "R7C5=9", "R5C8=3", "R0C5=7", "R0C4=3", "R2C4=9", "R1C3=8", "R6C8=1", "R8C6=7", "R0C7=9", "R0C2=4", "R5C1=5", "R2C7=2", "R7C6=8", "R0C6=5", "R5C2=6", "R5C5=8", "R4C6=6", "R6C1=6" ]
1,294
000090702170600030950021860001008005000000470498300000020010940004000051000035200
846593712172684539953721864761248395235169478498357126527816943384972651619435287
backtracking
[ "R6C3=8", "R8C0=6", "R1C4=8", "R4C1=3", "R6C8=3", "R1C6=5", "R6C5=6", "R7C4=7", "R6C2=7", "R8C2=9", "R0C3=5", "R8C8=7", "R4C8=8", "R3C7=9", "R8C1=1", "R0C0=8", "R7C5=2", "R5C6=1", "R4C3=1", "R3C4=4", "R5C7=2", "R8C3=4", "R7C3=9", "R3C0=7", "R1C8=9", "R1C2=2", "R3C1=6", "R0C2=6", "R4C0=2", "R5C8=6", "R1C5=4", "R0C7=1", "R2C8=4", "R6C0=5", "R5C5=7", "R4C2=5", "R7C1=8", "R2C3=7", "R4C5=9", "R0C5=3", "R4C4=6", "R7C0=3", "R5C4=5", "R3C6=3", "R0C1=4", "R8C7=8", "R2C2=3", "R3C3=2", "R7C6=6" ]
1,295
000001427000650010980402600092107006405030008600940002160008090700009000000000305
536891427247653819981472653392187546415236978678945132163528794754369281829714365
backtracking
[ "R0C3=8", "R2C8=3", "R3C0=3", "R1C5=3", "R5C1=7", "R8C3=7", "R1C0=2", "R7C1=5", "R8C1=2", "R4C1=1", "R5C7=3", "R6C2=3", "R0C2=6", "R3C7=4", "R6C8=4", "R5C6=1", "R3C6=5", "R5C5=5", "R1C1=4", "R7C2=4", "R4C7=7", "R8C4=1", "R0C0=5", "R7C6=2", "R2C7=5", "R7C3=3", "R6C6=7", "R3C4=8", "R2C2=1", "R1C8=9", "R1C6=8", "R7C7=8", "R2C4=7", "R8C7=6", "R6C3=5", "R7C8=1", "R8C0=8", "R7C4=6", "R8C2=9", "R4C5=6", "R8C5=4", "R1C2=7", "R5C2=8", "R6C4=2", "R0C1=3", "R4C3=2", "R0C4=9", "R4C6=9" ]
1,296
000290040090007056687000001006028000530009000241003500020400008300700960005031700
153296847492817356687354291976528413538149672241673589729465138314782965865931724
backtracking
[ "R1C2=2", "R3C1=7", "R1C4=1", "R6C2=9", "R0C8=7", "R5C3=6", "R3C6=4", "R4C4=4", "R3C3=5", "R1C0=4", "R8C7=2", "R3C8=3", "R5C8=9", "R5C4=7", "R4C6=6", "R8C0=8", "R5C7=8", "R7C4=8", "R0C2=3", "R6C0=7", "R8C3=9", "R7C1=1", "R3C7=1", "R3C0=9", "R6C4=6", "R6C5=5", "R4C2=8", "R2C4=5", "R0C6=8", "R0C5=6", "R2C3=3", "R7C5=2", "R6C6=1", "R7C2=4", "R4C3=1", "R1C3=8", "R7C8=5", "R8C8=4", "R6C7=3", "R2C7=9", "R0C1=5", "R1C6=3", "R2C6=2", "R2C5=4", "R4C7=7", "R0C0=1", "R4C8=2", "R8C1=6" ]
1,297
694080031300006000200500890045910000000750200709004050080000000000830715971600004
694287531358196427217543896845912673136758249729364158583471962462839715971625384
backtracking
[ "R8C6=3", "R7C1=6", "R2C8=6", "R6C5=1", "R6C3=4", "R4C7=4", "R0C6=5", "R4C1=3", "R1C1=5", "R6C4=7", "R2C2=7", "R6C8=2", "R8C7=8", "R7C5=9", "R5C8=8", "R1C8=7", "R7C2=2", "R8C5=5", "R1C7=2", "R1C6=4", "R8C4=2", "R3C7=7", "R0C5=7", "R2C5=3", "R4C5=8", "R6C6=9", "R3C0=8", "R6C2=3", "R5C6=1", "R4C2=6", "R3C8=3", "R6C7=6", "R4C0=1", "R7C0=4", "R0C3=2", "R2C4=4", "R1C3=1", "R3C6=6", "R3C5=2", "R6C0=5", "R4C8=9", "R1C4=9", "R5C3=3", "R2C1=1", "R5C1=2", "R5C4=6", "R1C2=8" ]
1,298
000024080036001009200000305009600000500017004000030891400000702310750000090082610
957324186836571429241869375129648537583917264674235891468193752312756948795482613
backtracking
[ "R2C4=6", "R4C2=3", "R0C3=3", "R3C4=4", "R3C6=5", "R7C6=9", "R2C5=9", "R1C6=4", "R3C1=2", "R1C4=7", "R1C3=5", "R5C0=6", "R0C1=5", "R4C7=6", "R6C5=3", "R4C6=2", "R4C1=8", "R3C0=1", "R7C8=8", "R5C2=4", "R8C8=3", "R6C1=6", "R3C5=8", "R8C0=7", "R2C7=7", "R5C5=5", "R6C7=5", "R0C0=9", "R6C4=9", "R5C3=2", "R0C6=1", "R8C2=5", "R2C3=8", "R0C8=6", "R7C5=6", "R2C2=1", "R4C3=9", "R1C0=8", "R7C2=2", "R1C7=2", "R3C7=3", "R5C1=7", "R3C8=7", "R6C2=8", "R0C2=7", "R6C3=1", "R7C7=4", "R2C1=4", "R8C3=4" ]
1,299
098023406006008090510004807000002500403070010000500970600481020185090300070600009
798123456346758291512964837967312548453879612821546973639481725185297364274635189
backtracking
[ "R5C1=2", "R4C3=8", "R5C8=3", "R1C0=3", "R4C6=6", "R2C3=9", "R8C2=4", "R6C6=7", "R0C7=5", "R1C1=4", "R8C6=1", "R8C5=5", "R4C8=2", "R5C0=8", "R2C7=3", "R4C1=5", "R4C5=9", "R8C7=8", "R1C8=1", "R5C4=4", "R1C3=7", "R1C6=2", "R0C3=1", "R7C5=7", "R6C8=5", "R8C4=3", "R6C1=3", "R3C2=7", "R3C8=8", "R8C0=2", "R3C7=4", "R7C8=4", "R3C4=1", "R7C7=6", "R7C3=2", "R1C4=5", "R6C2=9", "R5C2=1", "R3C3=3", "R3C0=9", "R2C2=2", "R2C4=6", "R3C1=6", "R5C5=6", "R0C0=7" ]