id
int64
0
1,000k
quizzes
stringlengths
81
81
solutions
stringlengths
81
81
method
stringclasses
2 values
steps
sequencelengths
44
52
200
863027000050100840009050000000940010520001007930500200046000920000038400287090500
863427159752169843419853762678942315524381697931576284346715928195238476287694531
backtracking
[ "R1C2=2", "R2C3=8", "R7C1=9", "R6C4=1", "R7C8=6", "R6C3=7", "R6C0=3", "R8C3=6", "R3C6=3", "R3C1=7", "R4C7=9", "R3C0=6", "R5C8=4", "R5C7=8", "R2C1=1", "R8C7=3", "R6C8=8", "R8C8=1", "R0C3=4", "R1C5=9", "R1C0=7", "R5C4=7", "R4C4=8", "R7C7=7", "R8C5=4", "R0C7=5", "R1C8=3", "R0C8=9", "R4C2=4", "R4C6=6", "R2C0=4", "R2C5=3", "R5C2=1", "R3C2=8", "R7C2=5", "R6C5=5", "R7C3=2", "R3C5=2", "R2C7=6", "R0C6=1", "R2C6=7", "R3C8=5", "R4C3=3", "R5C5=6", "R7C0=1", "R1C4=6", "R2C8=2" ]
201
005004800060070210700103000800602400030800190904500080003000075609028040417009000
195264837368975214742183569871692453536847192924531786283416975659728341417359628
backtracking
[ "R4C2=6", "R6C3=4", "R3C7=5", "R1C5=5", "R6C6=9", "R4C8=2", "R7C8=1", "R7C6=3", "R5C5=1", "R6C0=2", "R5C4=3", "R0C0=1", "R4C4=4", "R2C6=5", "R7C3=7", "R0C3=2", "R0C7=3", "R6C1=8", "R2C7=6", "R1C0=3", "R8C3=3", "R2C4=8", "R0C4=6", "R1C2=8", "R3C2=1", "R1C8=4", "R0C8=7", "R3C4=9", "R5C6=7", "R5C8=6", "R5C1=2", "R0C1=9", "R1C3=9", "R6C5=6", "R2C1=4", "R6C4=1", "R2C2=2", "R8C7=2", "R7C1=5", "R2C8=9", "R8C8=8", "R3C1=7", "R4C0=5", "R8C6=6", "R4C5=7", "R3C8=3", "R8C4=5" ]
202
000000490030006027107003500602045070040618009090007000009200735380004000001500060
856172493934856127127493586612945378743618259598327641469281735385764912271539864
backtracking
[ "R2C7=8", "R5C8=1", "R7C8=2", "R0C8=3", "R1C0=9", "R2C8=6", "R5C6=6", "R2C4=9", "R8C8=4", "R2C1=2", "R6C0=4", "R5C3=3", "R7C3=7", "R0C3=1", "R6C4=8", "R4C6=2", "R5C2=8", "R3C1=1", "R8C6=8", "R4C0=7", "R8C5=9", "R0C2=6", "R6C5=1", "R8C0=2", "R5C4=2", "R2C3=4", "R7C6=9", "R3C6=3", "R1C2=4", "R7C4=6", "R7C7=1", "R8C1=7", "R8C4=3", "R5C7=4", "R1C6=1", "R0C1=5", "R1C4=5", "R7C2=5", "R3C8=8", "R4C7=5", "R0C0=8", "R6C1=6", "R0C4=7", "R4C2=3", "R1C3=8", "R5C0=5", "R3C3=9", "R0C5=2" ]
203
100020900590100704006000500608000007073890000000403206309050820027001003805600000
134527968592168734786349512648215397273896145951473286369754821427981653815632479
backtracking
[ "R1C4=6", "R4C8=5", "R2C7=1", "R7C6=6", "R8C5=2", "R1C7=3", "R6C8=1", "R6C1=6", "R7C3=9", "R3C7=9", "R8C8=9", "R6C3=7", "R4C6=1", "R7C4=8", "R2C3=3", "R8C6=4", "R0C1=3", "R4C0=2", "R3C1=4", "R3C5=5", "R1C5=8", "R4C5=6", "R5C1=5", "R0C3=5", "R0C5=7", "R3C3=2", "R3C4=1", "R8C4=3", "R2C1=8", "R5C2=1", "R2C0=7", "R4C7=4", "R2C5=9", "R8C7=7", "R5C7=8", "R5C0=9", "R6C5=4", "R0C7=6", "R7C7=5", "R3C6=3", "R8C1=1", "R2C4=4", "R5C4=7", "R0C8=8", "R0C2=4", "R7C0=4", "R2C8=2", "R1C2=2" ]
204
000004603050760001410085000000610902863420000020007000035070280702000010084001390
278194653359762841416385729547618932863429175921537468135976284792843516684251397
backtracking
[ "R6C0=1", "R3C5=8", "R8C8=7", "R3C1=4", "R5C4=3", "R2C2=6", "R8C3=2", "R4C8=5", "R1C0=3", "R0C1=7", "R6C5=6", "R0C2=8", "R2C3=3", "R7C4=4", "R6C8=4", "R5C8=8", "R1C5=2", "R8C0=6", "R3C0=5", "R2C6=7", "R0C0=2", "R4C6=1", "R2C7=2", "R5C0=9", "R4C5=9", "R5C2=1", "R6C3=9", "R7C1=9", "R0C4=9", "R7C8=6", "R5C7=6", "R0C7=5", "R7C6=5", "R1C2=9", "R2C8=9", "R3C7=3", "R7C3=8", "R8C4=5", "R7C5=3", "R1C7=4", "R3C2=7", "R1C6=8", "R5C3=5", "R0C3=1", "R5C6=4", "R4C7=7" ]
205
004003080100670302700020000200068700001390500090500218003705004080000951002409600
624953187158674392739821465245168739871392546396547218963715824487236951512489673
backtracking
[ "R6C4=1", "R6C6=8", "R3C7=3", "R3C1=4", "R2C5=1", "R1C7=9", "R5C4=4", "R0C4=5", "R8C0=5", "R6C7=2", "R0C3=9", "R0C6=1", "R1C5=4", "R3C3=1", "R7C5=6", "R2C1=3", "R5C2=6", "R6C1=6", "R7C4=3", "R5C0=3", "R8C1=1", "R3C2=5", "R4C5=2", "R0C8=7", "R4C8=6", "R1C1=5", "R2C2=9", "R2C3=8", "R7C3=2", "R6C0=9", "R2C6=4", "R8C4=8", "R1C2=8", "R8C7=7", "R3C8=9", "R8C8=3", "R0C1=2", "R4C0=8", "R2C8=5", "R2C7=6", "R4C7=4", "R7C0=4", "R5C5=7", "R4C1=7", "R0C0=6", "R7C2=7" ]
206
000800700029000510035420009010007006092004070480360100006150307000009468000200000
164895732829673514735421689513987246692514873487362195946158327251739468378246951
backtracking
[ "R3C4=8", "R4C8=3", "R1C3=6", "R8C1=7", "R8C5=6", "R6C7=2", "R7C4=3", "R6C0=9", "R8C4=4", "R1C0=8", "R4C0=6", "R0C1=6", "R8C0=3", "R1C5=3", "R5C7=9", "R0C4=9", "R2C7=8", "R5C5=2", "R2C0=7", "R2C6=6", "R3C7=4", "R0C7=3", "R0C0=1", "R6C5=8", "R7C3=7", "R6C1=4", "R4C6=8", "R3C0=5", "R0C8=2", "R5C2=7", "R7C1=5", "R8C2=8", "R0C2=4", "R1C4=7", "R8C6=9", "R8C8=1", "R7C0=2", "R4C3=5", "R8C7=5", "R5C8=5", "R1C8=4", "R3C2=3", "R3C6=2", "R7C2=1", "R0C5=5", "R3C3=9", "R4C4=1", "R2C5=1" ]
207
050730100020860304760091050070204008090000005301000400000670000040009063012500089
458732196129865374763491852576214938294387615381956427935678241847129563612543789
backtracking
[ "R6C2=5", "R1C2=9", "R2C3=4", "R0C2=8", "R6C8=1", "R2C2=3", "R5C5=6", "R4C2=4", "R6C7=4", "R1C7=7", "R4C5=7", "R0C7=9", "R5C3=9", "R4C0=2", "R3C0=5", "R7C0=8", "R0C0=4", "R2C6=8", "R3C7=3", "R8C5=3", "R5C7=2", "R6C1=3", "R2C8=2", "R5C4=5", "R0C8=6", "R5C1=8", "R6C5=8", "R7C3=1", "R6C0=9", "R1C0=1", "R0C5=2", "R7C2=7", "R7C4=2", "R4C7=1", "R3C2=6", "R3C6=9", "R5C8=7", "R8C4=4", "R3C4=1", "R8C0=6", "R4C6=6", "R8C6=7", "R6C6=2", "R7C6=5", "R4C4=8", "R4C3=3", "R1C5=5" ]
208
490107300087002009000050060100600802500300000009040070050700043806020910002014005
495167328687432159213859764174695832528371496369248571951786243846523917732914685
backtracking
[ "R4C4=7", "R2C3=8", "R8C0=7", "R3C4=9", "R6C6=2", "R5C6=5", "R2C0=2", "R6C0=9", "R5C0=3", "R6C5=6", "R0C7=2", "R6C4=8", "R3C1=7", "R4C8=6", "R4C1=2", "R3C5=5", "R8C3=9", "R1C4=3", "R4C2=8", "R7C5=3", "R4C6=4", "R3C7=3", "R2C1=1", "R7C8=7", "R5C1=6", "R1C3=4", "R4C5=1", "R7C1=4", "R8C6=6", "R7C3=5", "R5C5=8", "R6C2=1", "R1C0=6", "R1C6=1", "R5C8=1", "R5C3=2", "R2C6=7", "R2C5=9", "R0C2=5", "R2C8=4", "R0C4=6", "R0C8=8", "R3C2=4", "R1C7=5", "R8C1=3", "R4C7=9", "R2C2=3", "R8C7=8" ]
209
001005700720806003309000180000640800800020004065001070008703950100000030070094020
681935742724816593359472186932647815817529364465381279248763951196258437573194628
constraint_programming
[ "R2C3=4", "R2C8=6", "R5C6=2", "R5C3=3", "R0C4=3", "R6C0=2", "R4C1=1", "R0C1=8", "R2C4=7", "R1C6=5", "R5C0=4", "R3C7=1", "R4C6=3", "R0C8=2", "R4C3=5", "R4C2=7", "R3C0=9", "R7C1=9", "R8C3=1", "R7C4=5", "R8C6=6", "R3C2=2", "R6C1=4", "R5C4=8", "R0C7=4", "R4C7=6", "R0C3=9", "R4C5=9", "R1C4=1", "R1C2=4", "R2C1=5", "R8C0=5", "R3C1=3", "R8C8=8", "R0C0=6", "R1C7=9", "R7C6=4", "R2C5=2", "R7C8=7", "R6C4=6", "R5C8=9", "R7C5=8", "R3C5=7", "R7C3=2", "R3C8=5", "R8C2=3", "R6C8=1", "R7C2=6" ]
210
010403009506000080009780052032004000960000400000021703800030260007500001000067805
218453679576912384349786152732894516961375428485621793854139267627548931193267845
backtracking
[ "R4C7=2", "R7C5=8", "R4C2=1", "R0C2=8", "R7C4=4", "R3C8=6", "R3C3=8", "R4C5=5", "R8C3=2", "R4C3=3", "R6C5=9", "R8C7=4", "R7C0=6", "R5C3=6", "R5C1=8", "R0C7=7", "R0C6=6", "R6C3=1", "R2C0=3", "R8C1=9", "R4C4=7", "R1C1=7", "R1C3=9", "R6C1=5", "R3C6=5", "R6C8=7", "R1C4=1", "R0C4=5", "R7C6=9", "R1C6=3", "R2C6=1", "R6C2=4", "R7C1=2", "R0C0=2", "R3C7=1", "R8C2=3", "R4C8=8", "R5C0=4", "R2C5=6", "R5C2=5", "R5C7=9", "R1C5=2", "R2C1=4", "R8C0=1", "R3C0=7", "R1C8=4", "R7C7=3", "R3C4=9" ]
211
010009600006700019280005403100400290007063008005000006630001020402350000000048007
714839652356724819289615473163487295927563148845192736638971524472356981591248367
backtracking
[ "R4C1=2", "R6C4=7", "R6C6=5", "R0C0=7", "R7C7=8", "R5C3=1", "R0C7=5", "R7C6=9", "R7C5=6", "R0C2=4", "R1C1=5", "R5C0=8", "R4C3=5", "R3C2=3", "R1C4=2", "R1C6=8", "R3C4=8", "R5C7=3", "R1C5=4", "R8C2=1", "R5C1=4", "R7C8=1", "R2C7=7", "R0C4=3", "R5C5=2", "R3C1=6", "R3C5=7", "R8C7=6", "R2C3=6", "R5C4=9", "R8C6=3", "R8C0=5", "R4C7=4", "R6C8=4", "R4C6=1", "R8C1=9", "R7C1=7", "R3C8=5", "R6C3=9", "R5C6=7", "R0C8=2", "R4C0=9", "R1C0=3", "R6C2=8", "R2C2=9", "R0C3=8", "R2C4=1", "R8C3=2" ]
212
430700080020065103000089540700940000251803600006200030104000057000000800060107009
435712986829465173617389542783946215251873694946251738194628357372594861568137429
backtracking
[ "R3C2=3", "R2C0=6", "R0C4=1", "R8C0=5", "R4C8=4", "R6C1=9", "R6C6=3", "R6C3=6", "R7C8=1", "R3C6=2", "R5C8=8", "R1C7=7", "R8C2=8", "R5C6=7", "R7C2=2", "R3C7=1", "R5C4=5", "R2C2=7", "R0C2=5", "R8C7=2", "R5C5=1", "R4C7=9", "R8C6=4", "R7C0=3", "R2C3=3", "R6C4=2", "R7C3=5", "R1C2=9", "R3C5=6", "R8C4=3", "R7C7=6", "R0C5=2", "R3C1=8", "R1C3=4", "R2C1=1", "R5C1=4", "R3C8=5", "R7C4=9", "R4C4=7", "R2C8=2", "R0C6=9", "R6C5=8", "R0C8=6", "R7C1=7", "R7C5=4", "R1C0=8", "R5C0=9" ]
213
006000008070004600130609042019000030020350080080702005090500716400020003703080900
946215378275834691138679542519468237627351489384792165892543716461927853753186924
backtracking
[ "R8C5=6", "R1C0=2", "R5C2=4", "R0C0=9", "R4C8=9", "R2C6=5", "R6C4=4", "R0C7=7", "R8C7=2", "R8C8=4", "R7C5=7", "R2C4=7", "R0C6=3", "R1C4=3", "R7C3=9", "R4C6=4", "R1C8=1", "R5C7=6", "R7C6=8", "R2C2=8", "R3C5=8", "R3C3=4", "R0C4=1", "R3C0=5", "R6C5=3", "R3C6=2", "R1C7=9", "R0C1=4", "R7C7=5", "R5C0=3", "R8C1=5", "R8C3=1", "R5C6=1", "R0C5=5", "R6C2=2", "R3C4=6", "R0C3=2", "R1C2=5", "R1C3=8", "R5C4=9", "R7C1=6", "R7C2=1", "R6C0=8", "R4C2=7", "R4C5=1", "R3C8=7", "R4C0=6" ]
214
030200570000300040901047008002003087080600000056010239800020400400098005017005006
634289571578361942921547368142953687389672154756814239895726413463198725217435896
backtracking
[ "R8C0=2", "R4C2=9", "R8C4=3", "R1C1=7", "R8C7=9", "R1C6=9", "R3C1=4", "R0C5=9", "R1C5=1", "R0C4=8", "R6C1=9", "R2C3=5", "R4C8=4", "R1C4=6", "R2C7=6", "R4C7=5", "R1C8=2", "R4C0=3", "R0C2=4", "R3C0=1", "R6C5=6", "R1C2=8", "R6C8=3", "R6C2=5", "R4C5=2", "R7C3=1", "R5C0=7", "R0C8=1", "R3C4=5", "R7C1=6", "R5C5=4", "R3C6=6", "R5C3=8", "R7C6=7", "R2C1=2", "R4C6=1", "R3C3=9", "R8C6=8", "R7C7=2", "R0C0=6", "R4C4=7", "R7C2=3", "R6C7=1", "R2C6=3", "R1C0=5", "R8C3=4", "R6C3=7" ]
215
240009000053008021007060805000034008030900704190000600700016003001200406000070200
248159367653748921917362845572634198836921754194587632729416583381295476465873219
backtracking
[ "R0C6=3", "R3C1=7", "R2C1=1", "R6C7=8", "R5C3=5", "R2C0=9", "R5C8=2", "R0C2=8", "R8C5=3", "R2C7=4", "R3C7=9", "R8C0=4", "R8C2=5", "R7C1=8", "R4C7=5", "R3C0=5", "R1C4=4", "R8C1=6", "R8C7=1", "R6C6=5", "R1C6=9", "R0C4=5", "R3C3=6", "R5C4=8", "R1C3=7", "R4C5=1", "R8C8=9", "R2C5=2", "R1C0=6", "R4C4=2", "R2C3=3", "R5C5=7", "R6C3=4", "R3C6=1", "R7C0=3", "R6C2=9", "R3C2=2", "R7C5=5", "R7C4=9", "R5C7=3", "R7C7=7", "R4C0=8", "R0C7=6", "R0C3=1", "R5C2=4", "R6C1=2", "R8C3=8", "R4C2=6", "R0C8=7" ]
216
078009050500607042900310008090704080300000000846002130000000520130006070060928000
678249351513687942924315768291734685357861294846592137489173526132456879765928413
backtracking
[ "R8C7=1", "R8C8=3", "R8C6=4", "R4C8=4", "R0C8=1", "R2C1=2", "R2C2=4", "R6C2=9", "R2C6=7", "R4C4=6", "R7C6=8", "R0C4=4", "R6C1=8", "R7C2=2", "R4C6=2", "R0C6=3", "R6C4=7", "R1C1=1", "R6C8=6", "R3C2=1", "R7C3=4", "R2C5=5", "R6C3=1", "R5C4=9", "R5C8=7", "R4C7=9", "R3C4=3", "R4C2=7", "R0C0=6", "R7C8=9", "R5C3=5", "R4C5=1", "R2C7=6", "R4C3=8", "R6C0=4", "R1C2=3", "R6C5=3", "R7C4=5", "R8C2=5", "R3C8=5", "R3C0=2", "R8C0=7", "R0C3=2", "R1C4=8", "R4C1=5", "R3C6=6", "R1C6=9" ]
217
061400900802500047500609000980007020200930780010050003700004100009080260026001005
361478952892513647574629318983147526245936781617852493758264139139785264426391875
backtracking
[ "R4C5=6", "R6C2=8", "R1C5=3", "R3C2=3", "R5C5=2", "R2C6=3", "R2C4=2", "R0C0=3", "R1C6=6", "R0C5=8", "R6C4=6", "R4C8=1", "R5C3=8", "R0C4=7", "R3C3=1", "R7C8=4", "R6C8=9", "R2C8=8", "R6C3=2", "R2C2=4", "R7C3=7", "R8C3=3", "R5C7=9", "R5C2=7", "R5C0=6", "R2C1=7", "R4C1=4", "R3C8=6", "R8C6=8", "R0C8=2", "R0C7=5", "R3C6=5", "R6C1=5", "R1C4=1", "R7C1=3", "R7C0=1", "R6C7=3", "R1C1=9", "R4C2=5", "R8C0=4", "R2C7=1", "R7C5=5", "R8C7=7", "R3C4=4", "R5C6=4", "R8C4=9" ]
218
000073000180200590430000006010062750000508030200400900090030610645100020370000089
526973841187246593439851276918362754764598132253417968892734615645189327371625489
backtracking
[ "R7C4=8", "R2C7=7", "R0C6=8", "R3C0=9", "R5C1=5", "R2C4=5", "R4C0=7", "R1C4=4", "R7C5=9", "R6C8=5", "R0C8=1", "R3C3=3", "R6C2=2", "R0C2=6", "R3C8=4", "R6C0=8", "R8C5=5", "R5C5=7", "R2C6=2", "R7C8=7", "R1C5=6", "R4C8=2", "R1C8=3", "R5C4=1", "R2C5=1", "R6C5=4", "R1C2=7", "R4C2=4", "R3C2=8", "R4C1=6", "R8C6=4", "R8C4=2", "R0C3=9", "R0C7=4", "R7C6=3", "R4C4=9", "R0C1=2", "R2C2=9", "R4C6=1", "R8C3=6", "R6C3=7", "R8C2=1", "R2C3=8", "R0C0=5", "R5C2=3", "R5C7=6", "R5C8=8" ]
219
507020400008006010302894600800009500150600708003100006470008950000007020209040000
567321489948756312312894675826479531154632798793185246471268953635917824289543167
backtracking
[ "R7C4=1", "R5C4=8", "R3C7=3", "R1C8=2", "R2C7=7", "R6C8=3", "R3C3=4", "R6C4=6", "R8C8=7", "R7C1=3", "R8C7=6", "R5C6=2", "R0C8=9", "R1C4=5", "R3C2=6", "R1C0=9", "R5C7=4", "R1C6=3", "R8C3=5", "R6C2=1", "R0C5=1", "R0C7=8", "R0C3=3", "R1C3=7", "R3C4=7", "R1C1=4", "R8C1=8", "R4C2=4", "R3C1=2", "R7C0=6", "R7C6=8", "R7C3=9", "R7C2=5", "R8C6=1", "R3C8=1", "R6C3=2", "R4C7=9", "R5C0=7", "R2C8=5", "R4C4=3", "R0C1=6", "R8C5=3", "R7C8=4", "R5C5=5", "R5C1=9", "R4C5=2", "R2C1=1" ]
220
059800470001003020600007100010000050020068000004102908300605740070300080060094032
259816473741953826683247195816439257927568314534172968392685741475321689168794532
backtracking
[ "R7C0=4", "R2C1=8", "R4C8=4", "R1C4=5", "R6C1=9", "R4C3=5", "R3C2=6", "R4C2=7", "R6C8=1", "R0C0=2", "R8C2=8", "R3C3=4", "R0C8=3", "R7C5=1", "R3C6=2", "R4C6=3", "R4C7=1", "R3C4=3", "R8C3=7", "R5C1=3", "R0C5=6", "R3C5=9", "R5C0=5", "R8C6=5", "R2C8=5", "R1C3=9", "R2C4=4", "R4C0=9", "R2C2=3", "R7C2=5", "R2C3=2", "R6C2=2", "R1C6=8", "R8C0=1", "R3C0=8", "R1C8=6", "R1C0=7", "R2C7=9", "R5C4=7", "R7C8=9", "R0C4=1", "R6C4=8", "R1C1=4", "R5C7=6", "R7C4=2", "R7C6=6", "R3C8=7" ]
221
050028010070901040000034729002305400708000500300400976800603000500000000094210300
459728613273961845186534729962375481748196532315482976827653194531849267694217358
constraint_programming
[ "R7C2=1", "R3C7=8", "R6C6=1", "R0C0=4", "R6C7=9", "R7C5=9", "R4C5=6", "R4C4=9", "R4C7=3", "R1C0=2", "R4C3=1", "R7C4=4", "R6C8=4", "R6C2=7", "R0C8=3", "R2C3=5", "R4C1=4", "R5C2=5", "R7C7=6", "R2C1=8", "R6C4=5", "R0C6=6", "R4C8=2", "R8C8=8", "R2C0=1", "R7C1=3", "R1C2=3", "R8C5=7", "R5C1=1", "R7C3=8", "R5C4=8", "R3C4=7", "R0C3=7", "R0C2=9", "R6C1=2", "R1C6=8", "R7C6=2", "R8C7=5", "R8C0=6", "R3C1=6", "R1C8=5", "R7C8=7", "R1C4=6", "R5C5=2", "R3C8=1", "R2C2=6", "R3C0=9" ]
222
206709013409006070050004800803000500100623000004100000000570392700008000001940006
286759413419836275357214869863497521175623948924185637648571392792368154531942786
backtracking
[ "R8C1=3", "R6C0=6", "R4C6=9", "R5C5=5", "R7C8=4", "R0C1=8", "R7C6=1", "R2C3=2", "R5C6=6", "R3C4=9", "R0C4=5", "R4C1=7", "R8C0=5", "R8C5=2", "R1C1=1", "R2C0=3", "R1C6=2", "R5C0=9", "R3C3=4", "R8C6=7", "R5C7=3", "R3C5=7", "R6C5=1", "R2C4=1", "R7C4=6", "R3C7=2", "R7C7=5", "R4C8=8", "R3C8=1", "R1C8=5", "R7C2=2", "R3C1=6", "R1C3=8", "R1C4=3", "R6C2=8", "R2C2=7", "R8C7=8", "R2C7=6", "R0C6=4", "R5C8=7", "R7C3=3", "R5C1=2", "R5C4=8", "R6C1=4", "R7C1=9", "R4C2=5", "R4C7=4", "R2C8=9" ]
223
050390700784050002006200010000016098490000350028000000210070080060009540007803009
152398764784651932936247815375416298491782356628935471219574683863129547547863129
backtracking
[ "R4C4=8", "R2C0=9", "R4C3=7", "R3C1=7", "R5C8=1", "R2C6=8", "R0C5=8", "R8C1=4", "R1C5=1", "R5C0=6", "R4C8=6", "R7C2=3", "R0C8=4", "R5C5=5", "R0C0=1", "R4C2=1", "R0C7=6", "R1C3=6", "R0C2=2", "R1C6=9", "R8C4=6", "R5C6=4", "R6C3=5", "R6C2=9", "R8C0=5", "R5C3=9", "R2C5=7", "R7C8=7", "R3C0=3", "R1C7=3", "R3C2=5", "R3C3=4", "R6C5=4", "R7C4=2", "R4C5=2", "R5C4=3", "R7C0=8", "R6C8=3", "R2C4=4", "R8C6=1", "R8C7=2", "R2C1=3", "R7C3=1", "R5C7=7", "R6C6=6", "R3C6=2", "R2C8=5" ]
224
082007000000500942095103000000060075061004280079001030026040000814072300000000007
682497513137586942495123768348269175561734289279851634726345891814972356953618427
backtracking
[ "R5C3=8", "R3C6=1", "R7C7=5", "R2C8=8", "R6C7=9", "R0C3=4", "R4C4=3", "R1C5=6", "R8C3=6", "R7C3=9", "R8C7=2", "R1C2=7", "R8C5=8", "R8C0=9", "R4C3=7", "R3C2=8", "R8C1=5", "R2C4=2", "R1C1=3", "R0C4=9", "R6C0=7", "R4C8=9", "R7C8=6", "R5C6=6", "R3C0=3", "R0C7=1", "R8C4=1", "R5C4=5", "R6C8=1", "R3C5=9", "R2C6=7", "R3C3=2", "R3C1=4", "R0C6=5", "R1C4=8", "R6C3=3", "R2C7=6", "R5C8=4", "R8C6=4", "R2C0=4", "R6C5=5", "R8C2=3", "R6C6=8", "R1C0=1", "R0C8=3", "R0C0=6", "R4C0=5", "R5C0=2" ]
225
090806350200900100085000700600052904030401000000090070760018000100207589002040000
491876352276935148385124796618752934937481265524693871769518423143267589852349617
backtracking
[ "R3C3=7", "R7C1=4", "R8C5=9", "R7C2=3", "R4C7=6", "R5C2=4", "R6C7=2", "R0C4=7", "R8C3=3", "R5C1=2", "R1C7=4", "R4C4=8", "R8C8=7", "R0C2=1", "R5C3=6", "R3C2=8", "R2C8=6", "R0C8=2", "R5C5=3", "R4C8=5", "R8C7=1", "R6C3=5", "R6C6=4", "R8C0=8", "R6C2=9", "R2C0=3", "R4C6=2", "R7C4=6", "R1C1=7", "R2C3=1", "R5C0=5", "R5C8=1", "R4C0=9", "R8C1=5", "R6C8=3", "R1C2=6", "R2C4=2", "R5C6=8", "R1C4=3", "R2C5=4", "R1C5=5", "R8C6=6", "R3C1=1", "R3C7=3", "R4C2=7", "R1C8=8", "R2C7=9", "R0C0=4" ]
226
093705600002800000000012000001020584760080001200400090000950107100000340456003920
893745612512896473647312859931627584764589231285431796328954167179268345456173928
backtracking
[ "R0C8=2", "R2C0=6", "R3C3=6", "R8C4=7", "R7C3=2", "R5C1=8", "R7C1=7", "R2C1=4", "R3C1=3", "R4C5=9", "R3C5=7", "R6C1=2", "R2C6=8", "R8C8=8", "R8C3=1", "R7C4=6", "R1C0=5", "R4C6=2", "R2C3=3", "R6C2=8", "R5C6=7", "R5C8=6", "R5C2=5", "R0C4=4", "R5C5=1", "R7C8=5", "R7C2=9", "R7C5=8", "R5C4=3", "R6C0=3", "R2C2=7", "R3C0=9", "R4C2=4", "R2C7=5", "R6C7=6", "R1C4=9", "R4C3=5", "R1C6=4", "R2C8=9", "R0C7=1", "R1C1=1", "R0C0=8", "R6C5=4", "R1C7=7", "R1C5=6", "R1C8=3", "R4C7=3" ]
227
305740000000601005040900000800009056602070001904305200470083900090010087001000630
365748129729631845148952763837129456652874391914365278476583912293416587581297634
backtracking
[ "R5C8=8", "R5C7=7", "R4C3=8", "R0C1=6", "R6C2=6", "R8C1=8", "R4C7=9", "R4C5=4", "R2C7=6", "R2C4=5", "R3C4=2", "R2C0=1", "R1C2=9", "R4C1=5", "R6C3=5", "R0C7=2", "R1C0=7", "R3C6=4", "R6C7=1", "R8C4=9", "R2C6=7", "R6C8=2", "R0C6=1", "R3C3=1", "R2C5=2", "R7C6=5", "R2C2=8", "R7C0=2", "R8C3=2", "R7C5=6", "R0C8=9", "R7C3=4", "R7C2=3", "R1C4=3", "R1C1=2", "R1C6=8", "R8C0=5", "R5C1=1", "R8C8=4", "R3C2=7", "R0C5=8", "R5C4=6", "R1C7=4", "R8C5=7", "R3C1=3", "R4C6=3", "R2C8=3" ]
228
700300000901070064560004209010000005027800010090640820004709601008005000000210503
742396158981572364563184279816927435427853916395641827254739681138465792679218543
backtracking
[ "R4C5=3", "R2C4=8", "R3C7=3", "R1C1=8", "R0C2=2", "R8C1=7", "R7C8=2", "R7C6=7", "R4C0=4", "R8C0=6", "R6C7=8", "R7C7=9", "R0C6=1", "R6C0=2", "R7C0=1", "R7C4=6", "R4C8=6", "R8C2=9", "R7C1=3", "R3C0=8", "R5C0=3", "R5C8=7", "R0C4=9", "R7C3=4", "R6C4=3", "R3C2=6", "R3C5=7", "R1C6=3", "R0C8=8", "R4C6=9", "R0C1=4", "R8C5=8", "R6C1=5", "R2C7=7", "R4C4=5", "R0C5=6", "R5C2=5", "R1C5=2", "R2C3=1", "R5C5=1", "R3C3=9", "R3C6=4", "R2C2=3", "R0C7=5", "R1C3=5", "R3C4=2", "R8C7=4" ]
229
206008001140700309090050026002000004503401000060370800078009140050087600009600500
236948751145726389897153426712865934583491267964372815678539142451287693329614578
backtracking
[ "R8C1=2", "R7C2=1", "R1C5=6", "R0C7=5", "R0C6=7", "R2C6=4", "R3C7=3", "R8C0=3", "R3C0=7", "R0C1=3", "R7C8=3", "R2C5=3", "R0C4=4", "R6C4=3", "R8C5=4", "R2C2=7", "R4C1=8", "R7C7=9", "R1C4=2", "R3C1=1", "R8C4=1", "R7C3=2", "R4C6=2", "R6C0=6", "R5C2=4", "R3C3=8", "R5C7=1", "R5C5=2", "R8C7=7", "R4C8=7", "R7C0=4", "R1C2=5", "R6C3=5", "R3C4=6", "R3C5=5", "R6C8=2", "R4C7=6", "R3C6=9", "R5C8=5", "R2C0=8", "R0C3=9", "R4C4=9", "R2C3=1", "R1C7=8", "R8C8=8", "R5C0=9" ]
230
060005890090000210501070060002401500035002000004009008000200004806500130217003009
463125897798364215521978463982431576635782941174659328359216784846597132217843659
backtracking
[ "R4C8=1", "R1C4=6", "R8C3=8", "R4C4=8", "R7C8=2", "R6C6=7", "R2C1=2", "R2C8=3", "R5C6=3", "R1C0=7", "R5C0=1", "R0C2=3", "R6C2=9", "R3C8=6", "R3C1=8", "R4C3=7", "R2C3=9", "R2C5=8", "R5C3=6", "R4C0=6", "R0C3=1", "R7C5=7", "R7C1=4", "R6C1=5", "R2C6=4", "R1C3=3", "R5C1=7", "R7C4=9", "R6C4=1", "R6C0=3", "R8C4=4", "R6C7=8", "R3C7=7", "R3C0=9", "R3C4=3", "R1C8=5", "R1C5=4", "R0C4=2", "R5C4=5", "R0C0=4", "R4C6=9", "R8C7=5", "R0C8=7", "R5C7=2", "R6C5=6", "R8C6=6", "R1C2=8", "R4C7=4" ]
231
400010020502600704703005860000008043000024901007061000036002450800090007105080200
469817325582639714713245869291758643658324971347961582936172458824596137175483296
constraint_programming
[ "R0C6=3", "R6C4=7", "R8C3=4", "R5C1=4", "R5C6=5", "R2C4=4", "R1C5=9", "R5C7=8", "R8C7=9", "R0C2=9", "R3C1=9", "R5C3=9", "R7C7=3", "R7C3=5", "R1C4=3", "R8C1=7", "R0C1=6", "R2C8=9", "R8C8=6", "R0C3=8", "R3C4=5", "R4C7=7", "R7C1=2", "R0C5=7", "R1C7=1", "R7C5=6", "R1C1=8", "R2C3=2", "R7C2=4", "R4C0=6", "R6C8=8", "R2C1=1", "R6C3=1", "R4C2=8", "R3C0=2", "R3C3=7", "R3C2=1", "R6C0=9", "R7C6=1", "R4C1=5", "R0C8=5", "R8C5=3", "R5C0=3", "R5C8=2", "R3C6=6", "R4C3=3" ]
232
400000091000583600800000050000000907100068400207491300302850700080100062069047000
435672891921583674876914253648325917193768425257491386312856749784139562569247138
constraint_programming
[ "R8C0=5", "R1C8=4", "R1C2=1", "R2C8=3", "R0C2=5", "R7C0=7", "R6C1=1", "R8C7=3", "R8C8=8", "R7C6=5", "R2C1=7", "R1C1=2", "R7C5=9", "R6C7=4", "R2C6=2", "R3C4=2", "R8C6=1", "R4C1=9", "R3C3=3", "R4C2=3", "R0C5=2", "R5C1=5", "R3C1=4", "R0C3=6", "R5C7=8", "R0C6=8", "R6C5=6", "R1C0=9", "R3C5=5", "R4C7=2", "R6C8=9", "R5C8=6", "R3C0=6", "R0C4=7", "R2C5=4", "R0C1=3", "R2C4=1", "R2C2=6", "R1C7=7", "R4C3=7", "R3C7=1", "R3C2=8", "R8C3=2", "R7C2=4", "R7C4=3", "R4C8=5", "R2C3=9" ]
233
060740000045063810302018000630005100004070029078009006100000503900280040000000007
861742935745963812392518764639425178514876329278139456127694583953287641486351297
backtracking
[ "R8C2=6", "R4C6=3", "R6C1=2", "R0C0=8", "R6C4=9", "R8C7=9", "R2C6=7", "R7C2=3", "R5C0=2", "R0C8=5", "R8C4=5", "R2C7=6", "R7C6=6", "R5C3=1", "R8C1=8", "R1C8=2", "R4C1=1", "R2C3=5", "R3C2=9", "R5C7=5", "R6C3=6", "R7C1=5", "R3C7=7", "R8C3=3", "R3C8=8", "R0C5=2", "R4C5=6", "R6C5=4", "R4C3=8", "R0C7=3", "R1C3=9", "R6C2=7", "R5C6=4", "R7C5=7", "R8C5=1", "R3C3=4", "R6C7=8", "R5C4=3", "R2C1=9", "R0C6=9", "R2C8=4", "R0C2=1", "R4C0=5", "R1C0=7", "R8C0=4", "R7C8=1", "R8C6=2", "R3C4=2" ]
234
100004800030702106846903050000600209708050030004008070900100005005000367027400000
172564893539782146846913752351647289798251634264398571983176425415829367627435918
backtracking
[ "R6C2=3", "R7C4=2", "R6C7=2", "R0C7=9", "R0C3=5", "R5C8=1", "R8C5=5", "R3C2=1", "R7C5=9", "R0C2=2", "R1C0=5", "R2C8=2", "R2C4=1", "R0C1=7", "R1C4=8", "R0C8=3", "R6C4=7", "R8C7=1", "R3C4=4", "R8C8=8", "R5C0=2", "R4C3=2", "R7C3=8", "R3C5=7", "R2C6=7", "R6C5=6", "R8C4=3", "R4C1=9", "R1C7=4", "R3C1=5", "R5C1=6", "R6C6=4", "R5C3=3", "R6C1=8", "R7C0=4", "R3C0=3", "R8C6=9", "R5C6=5", "R1C2=9", "R0C4=6", "R8C0=6", "R3C7=8", "R4C6=6", "R4C5=1", "R4C8=4", "R5C4=9", "R7C1=1" ]
235
002000809050076031003005260008700016060050700130900042005000984080040000001302000
672431859859276431413895267598724316264153798137968542325617984786549123941382675
constraint_programming
[ "R1C0=8", "R5C5=8", "R1C3=2", "R0C7=5", "R2C4=9", "R3C6=3", "R7C5=9", "R3C4=2", "R8C4=8", "R5C4=6", "R6C0=3", "R4C2=4", "R7C8=3", "R7C3=5", "R8C6=6", "R6C1=2", "R2C1=1", "R3C1=9", "R4C3=1", "R6C3=6", "R4C7=9", "R0C3=4", "R8C7=7", "R1C6=4", "R7C7=2", "R1C2=9", "R8C0=9", "R4C5=3", "R7C0=7", "R4C8=8", "R6C5=7", "R4C0=2", "R3C0=5", "R7C2=6", "R8C1=4", "R7C6=1", "R2C3=8", "R2C8=7", "R6C4=1", "R2C0=4", "R0C5=1", "R3C5=4", "R0C4=3", "R8C8=5", "R0C1=7", "R5C6=5", "R5C2=7", "R0C0=6" ]
236
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318729654469315287527684139781253496695471328234968715173896542856142973942537861
constraint_programming
[ "R8C6=8", "R8C4=3", "R3C5=3", "R6C3=8", "R7C2=6", "R7C4=4", "R6C8=2", "R3C6=4", "R4C5=1", "R6C7=4", "R4C7=2", "R7C3=1", "R4C8=8", "R5C2=4", "R4C6=3", "R3C1=8", "R7C1=5", "R8C2=2", "R1C5=5", "R2C0=5", "R3C0=7", "R0C7=5", "R5C7=1", "R8C5=7", "R5C1=3", "R2C8=9", "R2C6=1", "R0C1=1", "R3C4=5", "R3C3=2", "R3C7=9", "R0C6=6", "R3C8=6", "R1C1=6", "R5C8=5", "R0C2=8", "R8C0=9", "R2C1=2", "R1C0=4", "R5C6=7", "R5C3=9", "R6C1=7", "R1C7=8", "R2C3=6", "R0C3=7", "R7C7=7", "R2C2=7" ]
237
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584963217321748956697125483169857324732419865845236179458691732973582641216374598
backtracking
[ "R0C3=9", "R5C8=9", "R3C1=6", "R6C7=3", "R7C3=5", "R1C0=3", "R5C0=8", "R7C5=2", "R6C1=5", "R1C1=2", "R0C2=4", "R8C1=1", "R2C7=8", "R4C8=5", "R6C4=9", "R6C0=4", "R4C7=6", "R7C7=4", "R1C8=6", "R8C3=3", "R5C7=7", "R8C6=5", "R5C2=5", "R0C6=2", "R2C8=3", "R7C6=6", "R3C7=2", "R1C6=9", "R4C5=9", "R1C3=7", "R5C1=4", "R2C5=5", "R4C0=7", "R3C2=9", "R2C3=1", "R8C4=7", "R1C4=4", "R3C0=1", "R2C2=7", "R4C3=4", "R2C4=2", "R5C4=3", "R7C8=1", "R8C8=8", "R0C1=8", "R6C3=6", "R3C3=8" ]
238
100650370024001500060900804000460000301000700280000090659830100007000020000749050
198654372724381569563927814975468231341295786286173495659832147437516928812749653
constraint_programming
[ "R7C1=3", "R2C2=3", "R8C2=2", "R1C7=6", "R7C5=6", "R3C1=7", "R6C7=4", "R3C7=3", "R2C7=1", "R2C5=7", "R3C5=8", "R4C1=4", "R5C3=1", "R3C2=5", "R5C6=4", "R0C8=2", "R3C6=2", "R7C8=8", "R4C7=8", "R5C8=5", "R3C8=1", "R1C3=3", "R4C8=6", "R0C2=8", "R4C5=5", "R2C0=5", "R0C5=4", "R7C4=1", "R1C0=7", "R2C4=2", "R7C3=5", "R7C6=9", "R8C8=3", "R8C1=1", "R5C2=6", "R0C1=9", "R5C5=3", "R4C3=2", "R5C4=7", "R3C0=9", "R4C4=9", "R6C8=7", "R7C0=4", "R8C6=6", "R1C8=9", "R1C4=8", "R6C5=2", "R8C0=8" ]
239
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972814356361592847548376912129687534734251689685439271817965423493128765256743198
backtracking
[ "R7C4=2", "R2C4=7", "R2C6=9", "R7C6=7", "R0C8=6", "R4C2=4", "R3C8=4", "R8C2=6", "R5C0=6", "R3C5=7", "R1C2=1", "R1C7=4", "R4C1=3", "R0C7=5", "R1C6=8", "R2C1=4", "R4C6=6", "R2C3=3", "R0C1=7", "R4C4=5", "R6C3=9", "R1C0=3", "R6C1=1", "R6C5=5", "R8C7=9", "R5C8=1", "R0C3=8", "R5C5=9", "R3C3=6", "R6C0=8", "R6C2=7", "R0C0=9", "R1C5=2", "R3C4=8", "R7C8=5", "R7C0=4", "R6C7=2", "R8C8=8", "R4C8=9", "R3C6=5", "R5C6=2", "R5C7=7", "R0C2=2", "R0C6=3", "R5C1=8", "R7C3=1", "R8C5=3", "R8C1=5" ]
240
000095001008400039720010006900150000070800190003006475081600053206040080500203000
364795821158462739729318546942157368675834192813926475481679253236541987597283614
constraint_programming
[ "R2C5=8", "R8C8=4", "R1C4=6", "R7C8=7", "R6C5=9", "R3C6=3", "R2C7=4", "R0C1=6", "R5C3=9", "R3C2=2", "R0C7=2", "R2C2=9", "R7C1=3", "R3C1=4", "R4C5=4", "R7C6=9", "R3C5=7", "R2C3=3", "R2C6=5", "R0C2=4", "R4C0=6", "R7C3=5", "R5C4=2", "R1C5=2", "R7C5=1", "R0C0=3", "R3C7=6", "R5C0=8", "R6C4=7", "R1C1=5", "R6C6=2", "R5C1=1", "R8C4=8", "R6C0=4", "R3C8=8", "R1C0=1", "R8C1=9", "R4C4=3", "R4C8=2", "R1C6=7", "R8C7=1", "R0C6=8", "R0C3=7", "R4C2=5", "R8C6=6", "R8C2=7" ]
241
030000190400607002006095400900003800061280050720040300150002600800400007000130940
537824196489617532216395478945763821361289754728541369154972683893456217672138945
constraint_programming
[ "R1C6=5", "R3C3=7", "R6C8=3", "R6C4=7", "R2C7=7", "R2C1=1", "R0C3=8", "R0C8=6", "R5C2=8", "R2C3=3", "R8C8=5", "R3C1=4", "R5C7=6", "R7C6=2", "R4C8=4", "R1C7=3", "R8C2=2", "R3C4=6", "R8C1=7", "R6C3=9", "R6C7=8", "R4C0=3", "R2C0=2", "R7C7=1", "R3C7=2", "R8C5=8", "R5C3=5", "R0C4=2", "R4C6=7", "R7C5=6", "R5C5=1", "R4C5=9", "R8C0=6", "R7C1=9", "R2C8=8", "R7C4=5", "R3C8=1", "R1C2=9", "R0C0=5", "R3C2=5", "R6C2=4", "R7C2=3", "R0C2=7", "R0C5=4", "R1C1=8", "R1C4=1", "R5C8=9" ]
242
000000010607004090520730000050008402940503006103000700000019643290000000060457008
438965217617824395529731864756198432942573186183642759875219643294386571361457928
backtracking
[ "R6C0=8", "R8C2=1", "R7C3=3", "R1C4=2", "R7C4=8", "R8C0=3", "R3C7=3", "R2C2=9", "R0C3=9", "R3C3=1", "R7C2=4", "R5C5=2", "R5C3=6", "R7C5=6", "R8C6=9", "R3C2=6", "R1C6=3", "R0C0=4", "R0C6=2", "R0C2=8", "R0C8=7", "R6C1=7", "R0C1=3", "R2C7=6", "R1C1=1", "R4C7=8", "R0C4=6", "R1C8=5", "R8C7=2", "R2C8=4", "R7C8=1", "R2C6=8", "R4C2=2", "R7C7=7", "R6C2=5", "R5C4=4", "R5C1=8", "R3C4=9", "R3C0=7", "R7C6=5", "R0C5=5", "R4C6=1", "R5C8=9", "R6C3=2", "R2C5=1", "R4C4=7", "R1C3=8", "R5C7=5" ]
243
506700000010200087200034010605073901000809003040052700850901340900605002100000000
596718234413296587278534619685473921721869453349152768857921346934685172162347895
backtracking
[ "R0C5=8", "R8C5=7", "R2C6=6", "R7C2=4", "R2C1=7", "R7C7=7", "R1C5=6", "R3C7=2", "R7C6=1", "R2C3=5", "R0C7=3", "R8C2=2", "R8C7=9", "R2C8=9", "R6C2=7", "R4C0=7", "R5C8=8", "R0C1=9", "R2C2=8", "R4C2=1", "R8C4=4", "R1C4=9", "R8C6=8", "R5C0=3", "R6C8=6", "R0C6=2", "R4C6=4", "R0C4=1", "R4C1=2", "R1C0=4", "R1C6=5", "R1C2=3", "R4C4=6", "R8C3=3", "R5C7=6", "R5C2=9", "R7C1=3", "R6C4=2", "R4C7=5", "R3C1=8", "R0C8=4", "R5C3=1", "R7C4=8", "R8C8=5", "R3C3=4", "R8C1=6" ]
244
018259063927004000000000000209700650301806070040001098035010400002000007000060580
418259763927634815563178942289743651351896274746521398835917426692485137174362589
backtracking
[ "R8C5=2", "R7C0=6", "R7C5=5", "R8C3=3", "R2C2=3", "R0C6=7", "R6C0=8", "R7C7=3", "R2C5=8", "R1C4=3", "R2C3=1", "R4C4=9", "R2C0=5", "R1C3=6", "R5C6=3", "R7C6=1", "R8C0=1", "R8C2=4", "R1C7=1", "R2C4=7", "R4C6=2", "R3C5=3", "R6C5=7", "R7C4=8", "R1C6=8", "R7C1=9", "R3C1=8", "R1C8=5", "R6C3=9", "R3C8=1", "R8C1=7", "R5C3=5", "R2C8=2", "R4C1=5", "R2C1=6", "R6C7=2", "R7C3=4", "R6C8=6", "R2C6=9", "R3C4=4", "R2C7=4", "R5C2=6", "R8C8=9", "R0C0=4", "R5C4=2", "R5C0=7", "R4C8=4" ]
245
004009061500300007031080409700650100610037005000940002068295003100408000050000200
874529361596314827231786459749652138612837945385941672468295713123478596957163284
backtracking
[ "R3C5=2", "R6C6=7", "R8C7=8", "R2C3=7", "R8C5=3", "R3C2=9", "R2C7=5", "R1C2=6", "R8C8=4", "R4C6=9", "R6C0=4", "R5C5=1", "R0C1=7", "R8C2=7", "R3C8=8", "R6C7=1", "R5C1=8", "R7C1=2", "R7C6=5", "R5C6=6", "R1C6=8", "R4C3=8", "R4C2=2", "R5C2=5", "R8C4=6", "R2C5=6", "R0C3=5", "R1C1=9", "R0C4=2", "R5C7=7", "R3C1=4", "R7C4=7", "R7C2=3", "R5C0=3", "R7C7=9", "R7C8=6", "R0C6=3", "R4C7=4", "R8C0=9", "R3C7=3", "R2C0=2", "R1C7=2", "R1C4=1", "R0C0=8", "R1C5=4", "R8C3=1" ]
246
090008300040206701001079084008000020006000579500430006360982000072064000000000050
297148365843256791651379284718695423436821579529437816365982147172564938984713652
constraint_programming
[ "R8C2=4", "R1C2=3", "R7C0=1", "R0C2=7", "R0C0=2", "R3C3=6", "R7C6=9", "R5C5=7", "R0C8=5", "R8C0=9", "R3C0=7", "R4C5=1", "R6C7=4", "R5C6=8", "R8C5=3", "R0C4=4", "R3C4=9", "R4C0=4", "R1C0=8", "R0C7=6", "R4C4=2", "R3C8=3", "R7C3=5", "R6C2=5", "R3C1=1", "R1C4=5", "R1C7=9", "R2C6=2", "R3C6=4", "R7C8=8", "R7C7=3", "R5C1=2", "R8C4=1", "R8C3=7", "R4C3=8", "R2C0=6", "R8C6=6", "R5C2=9", "R4C1=3", "R5C7=1", "R8C1=8", "R8C8=2", "R2C3=3", "R6C8=7", "R0C3=1", "R6C6=1", "R3C5=5", "R2C1=5" ]
247
000075038403006700010000009000380024640019000007402005529000007360008100008903500
296175438483296751715834269951387624642519873837462915529641387364758192178923546
constraint_programming
[ "R3C6=6", "R4C8=3", "R0C0=2", "R2C5=4", "R2C4=3", "R4C7=7", "R7C2=4", "R5C4=6", "R6C5=1", "R2C3=8", "R4C2=2", "R8C8=6", "R3C0=9", "R3C1=5", "R0C2=6", "R2C6=2", "R8C1=7", "R6C6=3", "R2C7=6", "R7C3=7", "R4C6=8", "R2C0=7", "R3C2=1", "R4C3=5", "R1C7=5", "R6C7=8", "R0C1=9", "R8C0=1", "R6C3=6", "R6C4=4", "R1C3=2", "R0C3=1", "R0C6=4", "R1C8=1", "R1C4=9", "R5C7=1", "R1C1=8", "R7C7=9", "R7C4=5", "R5C6=9", "R8C4=2", "R3C5=7", "R5C1=3", "R2C2=5", "R5C0=8", "R8C7=4", "R7C8=2" ]
248
100000000050009008704620500500080634000365020000007009006200000891000300320400761
139854276652739418784621593517982634948365127263147859476213985891576342325498761
backtracking
[ "R3C5=2", "R4C0=9", "R0C8=6", "R7C3=5", "R2C7=9", "R3C2=7", "R8C2=5", "R0C3=8", "R6C6=9", "R3C3=9", "R1C2=2", "R5C7=5", "R6C1=7", "R0C2=9", "R0C1=3", "R5C0=2", "R7C4=7", "R1C7=1", "R5C2=3", "R0C4=5", "R0C6=2", "R1C3=7", "R1C4=3", "R4C1=4", "R6C0=4", "R5C4=4", "R6C7=8", "R7C8=2", "R4C8=7", "R1C0=6", "R6C5=3", "R5C6=8", "R8C4=9", "R5C3=1", "R6C4=1", "R4C2=8", "R7C7=4", "R8C5=8", "R4C6=1", "R7C5=6", "R5C1=6", "R1C6=4", "R2C1=8", "R0C5=4", "R2C5=1", "R6C8=5", "R0C7=7", "R3C1=1", "R2C8=3" ]
249
000040008005317200902005003000030017400000060069004002070090080803006500106280090
317942658685317249942865173528639417431728965769154832274591386893476521156283794
constraint_programming
[ "R8C5=3", "R3C6=4", "R7C3=4", "R1C1=8", "R0C7=5", "R7C7=2", "R3C5=9", "R0C3=9", "R6C6=3", "R2C1=4", "R6C2=4", "R2C4=6", "R0C5=2", "R6C8=6", "R0C0=3", "R8C6=7", "R7C1=9", "R5C4=5", "R4C5=8", "R4C2=1", "R5C3=1", "R6C3=5", "R4C8=5", "R6C0=2", "R4C4=2", "R5C7=3", "R1C0=6", "R2C3=8", "R5C6=8", "R3C3=6", "R2C6=1", "R8C1=5", "R6C5=1", "R7C4=7", "R4C1=3", "R0C6=6", "R1C8=9", "R2C7=7", "R0C1=1", "R0C2=7", "R7C8=1", "R1C7=4", "R4C6=9", "R3C1=2", "R4C3=7", "R5C0=7", "R3C2=8", "R8C8=4", "R3C0=5" ]
250
072005600040820000003409500060000130000152007800700024019003280035070009000600000
972315648546827391183469572267984135394152867851736924719543286635278419428691753
backtracking
[ "R5C4=3", "R0C3=3", "R3C0=2", "R8C0=4", "R4C1=9", "R6C4=4", "R7C0=6", "R2C0=1", "R6C8=6", "R0C8=8", "R8C1=2", "R8C7=5", "R2C4=6", "R6C0=7", "R6C3=5", "R0C4=1", "R8C6=7", "R1C7=9", "R8C4=9", "R2C8=2", "R1C2=6", "R8C5=1", "R4C7=6", "R4C6=8", "R5C2=1", "R4C0=3", "R7C7=1", "R7C5=8", "R3C5=4", "R8C8=3", "R3C2=7", "R2C1=8", "R1C8=1", "R7C3=2", "R1C5=7", "R1C6=3", "R2C7=7", "R1C0=5", "R8C2=8", "R0C7=4", "R4C2=4", "R7C6=4", "R5C5=6", "R3C4=8", "R0C0=9", "R5C6=9", "R5C1=5", "R3C8=5", "R3C3=9" ]
251
010007309000025706300000050008902400400036021070800603905080040780040002006009000
512467389894325716367198254638912475459736821271854693925683147783541962146279538
constraint_programming
[ "R0C0=5", "R3C1=3", "R2C6=2", "R6C8=7", "R1C0=8", "R4C1=5", "R5C7=9", "R8C1=4", "R8C3=2", "R6C5=3", "R5C2=1", "R1C1=9", "R7C7=6", "R0C2=2", "R2C2=7", "R5C0=2", "R8C6=5", "R4C2=9", "R5C4=5", "R8C4=7", "R6C1=2", "R0C7=8", "R0C4=6", "R2C1=6", "R2C5=8", "R8C8=8", "R4C3=7", "R7C3=5", "R6C6=1", "R2C3=1", "R3C7=7", "R5C5=4", "R7C6=9", "R8C0=1", "R7C5=1", "R7C2=3", "R8C7=3", "R3C8=5", "R6C3=6", "R0C3=4", "R3C0=6", "R4C6=8", "R1C7=1", "R2C4=9", "R3C4=1", "R2C8=4", "R1C2=4", "R1C3=3" ]
252
002600004700010030014050690006084250380006007001003000400700089090005300000200401
532698714769412835814357692976184253385926147241573968423761589197845326658239471
backtracking
[ "R3C8=3", "R1C3=4", "R1C6=8", "R6C5=1", "R0C6=7", "R6C6=5", "R5C0=2", "R2C5=7", "R7C2=7", "R4C7=4", "R7C8=6", "R4C4=2", "R0C0=5", "R6C1=2", "R3C1=7", "R2C0=8", "R6C4=6", "R1C8=5", "R7C0=1", "R8C0=6", "R7C4=4", "R0C1=3", "R5C8=8", "R4C3=9", "R5C1=4", "R8C4=3", "R2C8=2", "R7C7=2", "R5C6=9", "R5C3=5", "R0C5=8", "R3C0=9", "R8C1=5", "R5C4=7", "R4C6=1", "R5C7=6", "R8C5=9", "R1C2=9", "R0C7=1", "R1C5=2", "R3C3=1", "R8C7=7", "R8C2=8", "R6C2=3", "R4C2=5", "R2C3=3", "R7C3=8", "R1C1=6", "R0C4=9" ]
253
069805204008420007001076005020004019680501000000030800053900070000000092400768300
769815234538429167241376985327684519684591723915237846153942678876153492492768351
constraint_programming
[ "R3C0=3", "R7C5=3", "R7C3=1", "R7C1=7", "R4C2=4", "R5C7=4", "R4C6=7", "R7C0=8", "R3C4=8", "R6C5=2", "R4C8=3", "R2C0=2", "R3C6=5", "R3C2=7", "R2C6=9", "R7C6=4", "R0C7=3", "R1C5=9", "R5C2=5", "R1C6=1", "R6C0=1", "R3C3=6", "R0C0=7", "R7C2=6", "R2C1=4", "R1C1=3", "R5C8=6", "R5C5=7", "R8C2=2", "R4C4=9", "R5C0=9", "R8C8=1", "R7C4=5", "R6C6=6", "R0C4=1", "R1C0=5", "R5C1=1", "R6C4=4", "R2C3=3", "R4C7=2", "R2C7=8", "R1C7=6", "R8C1=9", "R6C8=8", "R8C7=5", "R5C3=2" ]
254
740250600900003000030106047050480020009007036002009580000360410805000000300802070
741258693926743851538196247653481729489527136172639584297365418815974362364812975
backtracking
[ "R6C1=9", "R3C5=1", "R3C0=6", "R4C4=2", "R4C6=1", "R7C5=4", "R1C3=7", "R7C4=7", "R6C2=7", "R0C5=8", "R5C1=7", "R7C6=3", "R0C8=3", "R6C8=8", "R3C6=7", "R5C3=6", "R4C3=5", "R2C4=9", "R1C7=5", "R5C0=1", "R1C4=4", "R8C4=1", "R5C8=4", "R8C2=4", "R1C1=2", "R1C8=1", "R6C0=2", "R2C0=5", "R3C2=3", "R2C2=8", "R1C2=6", "R8C8=5", "R7C7=6", "R6C5=5", "R0C2=1", "R7C8=2", "R5C4=3", "R4C1=8", "R8C6=9", "R0C7=9", "R7C1=1", "R4C0=4", "R7C3=9", "R1C6=8", "R2C6=2", "R8C1=6", "R3C8=9" ]
255
000032050093000000002150870008504000461900000930700620000840507706000410100006308
817432956593687241642159873278564139461923785935718624329841567786395412154276398
backtracking
[ "R1C0=5", "R0C8=6", "R4C5=3", "R3C7=3", "R3C6=1", "R0C3=4", "R0C2=7", "R4C4=2", "R4C8=5", "R8C2=4", "R5C5=8", "R2C5=9", "R6C1=2", "R7C5=5", "R1C7=4", "R2C0=6", "R6C5=1", "R7C4=9", "R1C4=8", "R0C6=9", "R3C8=9", "R7C8=2", "R6C2=9", "R7C1=8", "R5C8=4", "R5C2=5", "R0C0=8", "R2C1=4", "R0C1=1", "R1C6=2", "R8C7=9", "R1C5=7", "R6C7=6", "R3C1=7", "R8C1=5", "R2C8=3", "R1C8=1", "R4C6=7", "R4C7=8", "R3C4=6", "R6C0=3", "R3C0=2", "R8C4=7", "R1C3=6", "R7C3=3", "R8C3=2", "R5C4=1" ]
256
005800000300000716706200000003084090000760842000005100420017000500000420019300080
195876234382459716746231958273184695951763842864925173428517369537698421619342587
backtracking
[ "R5C2=4", "R4C2=1", "R2C1=4", "R8C8=7", "R0C8=4", "R0C7=3", "R4C0=9", "R1C1=8", "R8C6=5", "R3C1=7", "R2C7=5", "R1C4=5", "R8C5=2", "R7C2=7", "R3C8=5", "R5C0=8", "R7C4=9", "R0C5=6", "R0C6=2", "R5C8=3", "R3C0=2", "R6C7=6", "R0C1=9", "R1C5=9", "R8C4=4", "R1C3=4", "R2C6=9", "R7C5=8", "R6C8=9", "R3C3=1", "R3C6=6", "R6C6=3", "R7C1=3", "R1C2=2", "R6C2=8", "R5C4=2", "R2C8=8", "R2C5=1", "R5C3=9", "R5C7=7", "R2C4=3", "R6C3=5", "R7C8=1", "R0C0=1", "R0C4=7", "R4C1=5", "R8C0=6", "R7C3=6", "R4C5=3", "R5C1=6" ]
257
015060892060070510400090000027500109008000003301009650079640020000030007800200060
715364892963872514482195736627583149598416273341729658179648325256931487834257961
backtracking
[ "R6C6=3", "R0C3=3", "R5C3=7", "R4C1=9", "R8C4=5", "R3C7=4", "R3C5=3", "R6C8=5", "R8C1=3", "R1C3=8", "R2C5=5", "R5C8=8", "R4C6=2", "R2C6=7", "R8C2=4", "R4C5=6", "R0C0=7", "R3C4=8", "R4C4=1", "R2C1=8", "R7C3=9", "R7C5=1", "R5C1=4", "R7C7=8", "R8C5=7", "R4C0=5", "R8C6=9", "R7C1=5", "R0C5=4", "R1C5=2", "R4C3=4", "R1C8=4", "R8C8=1", "R6C5=8", "R2C7=3", "R1C2=3", "R5C4=2", "R7C2=6", "R2C8=6", "R4C7=7", "R6C0=1", "R7C0=2", "R1C0=9", "R7C6=4", "R2C2=2", "R2C3=1", "R3C0=6" ]
258
300709080020406035510020007901004520050007090804000006003005108207800300000903640
346759281728416935519328467971684523652137894834592716493265178267841359185973642
backtracking
[ "R8C1=8", "R5C4=9", "R2C7=6", "R6C1=9", "R1C2=8", "R6C7=7", "R5C1=3", "R8C2=5", "R0C1=4", "R1C4=1", "R4C6=8", "R5C5=2", "R1C6=9", "R4C8=4", "R4C4=3", "R8C0=1", "R7C8=9", "R7C4=4", "R5C7=1", "R6C0=4", "R3C4=8", "R4C3=1", "R4C2=2", "R4C0=6", "R2C6=4", "R2C3=3", "R2C2=9", "R5C3=5", "R8C4=7", "R7C5=1", "R3C3=6", "R3C1=7", "R5C6=7", "R8C8=2", "R0C4=5", "R3C8=3", "R2C5=8", "R0C6=2", "R1C0=7", "R0C8=1", "R6C4=6", "R0C2=6", "R7C1=6", "R6C3=2", "R7C7=5" ]
259
379000100001709000020850300010026890000003460208900030106002905540000000080000746
379264158851739624624851379413526897795183462268947531136472985547698213982315746
backtracking
[ "R8C0=9", "R5C6=5", "R4C0=7", "R1C8=4", "R1C4=3", "R5C4=4", "R1C7=2", "R4C8=2", "R6C3=4", "R3C2=3", "R1C1=5", "R8C5=5", "R4C1=9", "R8C3=3", "R7C6=2", "R6C1=3", "R2C7=7", "R4C2=5", "R0C8=8", "R2C5=1", "R3C8=7", "R6C4=7", "R7C8=3", "R8C4=1", "R4C3=1", "R2C0=6", "R2C2=4", "R3C0=4", "R7C7=1", "R5C5=7", "R1C0=8", "R6C7=8", "R7C4=9", "R2C8=9", "R4C4=8", "R7C3=6", "R5C8=1", "R5C1=6", "R0C7=5", "R1C6=6", "R0C3=2", "R3C3=5", "R0C4=6", "R0C5=4", "R7C2=7", "R8C2=2", "R7C5=8" ]
260
003647905008002004000093006300010400900000820200084073800000090716500008040700160
123647985698152734475893216387216459964375821251984673832461597716529348549738162
backtracking
[ "R7C4=2", "R3C5=6", "R6C1=3", "R2C1=7", "R5C3=9", "R4C4=7", "R3C2=7", "R2C2=5", "R7C5=9", "R2C3=8", "R5C1=5", "R4C5=5", "R3C7=5", "R0C0=1", "R6C8=7", "R1C1=9", "R4C2=4", "R2C0=4", "R7C7=4", "R1C3=1", "R2C7=1", "R1C0=6", "R3C1=8", "R3C3=2", "R4C8=1", "R6C5=1", "R1C4=5", "R1C6=7", "R4C3=3", "R8C8=2", "R6C3=4", "R6C4=6", "R1C7=3", "R8C2=9", "R8C0=5", "R0C1=2", "R5C6=6", "R7C6=3", "R4C1=6", "R8C5=8", "R3C8=9", "R5C2=1", "R2C6=2", "R6C2=2", "R8C4=3", "R6C6=5", "R0C7=8" ]
261
108305690020400031500096700200830070613004000040009000050000002000700085309060100
178325694926487531534196728295831476613274859847659213751948362462713985389562147
constraint_programming
[ "R5C6=2", "R5C4=5", "R8C8=7", "R8C3=5", "R3C2=5", "R5C0=8", "R6C7=6", "R1C0=9", "R6C0=7", "R3C1=9", "R4C7=5", "R1C5=7", "R6C6=3", "R4C8=9", "R5C8=3", "R2C8=8", "R7C5=3", "R2C7=2", "R4C6=8", "R7C0=4", "R2C3=1", "R3C6=4", "R2C2=4", "R4C4=7", "R2C1=3", "R7C2=2", "R6C2=1", "R6C5=8", "R3C8=6", "R8C5=2", "R7C4=1", "R0C1=7", "R5C3=6", "R1C6=5", "R7C6=9", "R6C3=9", "R4C3=2", "R0C4=2", "R0C8=4", "R6C4=4", "R8C1=8", "R1C2=6", "R5C2=7", "R3C5=1", "R7C1=6", "R1C4=8", "R8C7=4", "R5C7=1" ]
262
980200004024006850003070100000509000005020687136000020000080405007030000600714900
981253764724196853563478192278569341495321687136847529319682475847935216652714938
backtracking
[ "R6C5=2", "R4C5=1", "R7C0=8", "R7C7=1", "R3C1=7", "R4C0=4", "R1C8=3", "R1C4=9", "R1C3=1", "R0C7=6", "R5C5=7", "R5C4=4", "R2C1=6", "R8C2=2", "R4C3=3", "R7C5=5", "R6C1=1", "R5C8=9", "R6C3=6", "R3C0=2", "R7C3=9", "R8C7=3", "R7C6=2", "R1C0=7", "R0C5=3", "R2C3=4", "R3C7=4", "R6C0=3", "R2C0=5", "R3C8=1", "R0C4=5", "R6C7=7", "R3C2=8", "R2C8=2", "R2C5=8", "R4C1=9", "R2C7=9", "R3C6=3", "R7C8=6", "R0C6=7", "R5C6=5", "R6C2=9", "R7C1=4", "R8C8=8", "R8C1=5", "R0C2=1", "R5C3=8", "R3C4=6" ]
263
003000002000201090006487050040596000158000300907300024009070006805900070000842000
713659842584231697296487153342596718158724369967318524439175286825963471671842935
backtracking
[ "R6C1=3", "R1C1=8", "R2C8=3", "R8C0=6", "R7C6=4", "R1C6=6", "R0C6=8", "R0C5=9", "R6C7=8", "R3C0=3", "R0C3=6", "R6C3=1", "R5C6=5", "R8C7=3", "R0C7=4", "R0C0=7", "R3C6=7", "R8C2=1", "R8C6=9", "R6C6=2", "R1C4=3", "R4C7=6", "R0C4=5", "R4C4=2", "R4C5=4", "R2C6=1", "R8C8=5", "R5C4=1", "R2C0=2", "R7C8=1", "R1C8=7", "R5C1=6", "R1C0=5", "R5C5=8", "R0C1=1", "R7C5=3", "R6C5=5", "R4C3=7", "R3C2=2", "R2C1=9", "R7C4=6", "R6C0=4", "R3C7=1", "R4C8=9", "R1C2=4", "R8C1=7", "R3C8=8", "R7C1=2" ]
264
900000512000659800080000070400000300030001027020740685503002100260980004070306000
946837512712659843385124976457268391638591427129743685593472168261985734874316259
backtracking
[ "R0C3=8", "R8C8=9", "R8C6=2", "R5C2=9", "R3C5=8", "R5C5=3", "R2C6=9", "R3C3=2", "R4C6=4", "R2C2=5", "R5C0=1", "R7C2=1", "R3C4=6", "R3C8=1", "R6C8=8", "R1C1=1", "R1C8=3", "R4C4=9", "R6C3=4", "R3C2=7", "R0C2=6", "R2C4=2", "R4C3=5", "R8C2=4", "R8C7=5", "R3C7=9", "R7C7=3", "R6C1=9", "R4C0=6", "R2C5=4", "R0C5=7", "R4C2=8", "R7C5=5", "R8C4=1", "R2C8=6", "R3C1=5", "R6C7=6", "R2C3=1", "R1C0=7", "R8C0=8", "R2C0=3", "R1C7=4", "R1C2=2", "R6C4=7", "R7C6=7", "R0C1=4", "R0C4=3" ]
265
067000010001002007003108204020000906400003000739050080000060502910045600008729003
267534819841692357593178264125487936486913725739256481374861592912345678658729143
backtracking
[ "R4C3=9", "R6C5=1", "R4C1=8", "R6C1=7", "R4C7=2", "R6C7=9", "R4C4=1", "R0C5=4", "R1C0=8", "R1C6=3", "R2C1=9", "R1C4=9", "R4C2=6", "R0C4=3", "R0C6=8", "R3C5=7", "R1C7=5", "R3C7=3", "R0C0=2", "R8C0=6", "R6C2=4", "R0C3=5", "R4C8=5", "R7C7=7", "R5C3=2", "R7C8=8", "R7C2=2", "R8C1=5", "R5C8=1", "R0C8=9", "R8C6=1", "R7C3=3", "R6C0=3", "R3C4=8", "R6C3=8", "R1C3=6", "R5C5=6", "R5C6=4", "R2C0=5", "R1C1=4", "R3C2=5", "R4C6=7", "R2C7=6", "R8C7=4", "R3C0=1", "R3C3=4", "R2C4=7" ]
266
050100000084500007000063089100002348200700050640090000000014003007200490003805601
956187234384529167721463589179652348238741956645398712562914873817236495493875621
backtracking
[ "R4C4=4", "R2C6=5", "R8C0=4", "R4C8=6", "R6C0=5", "R6C6=8", "R1C7=6", "R7C4=3", "R7C8=5", "R1C6=1", "R7C5=6", "R2C2=1", "R4C6=9", "R7C1=1", "R6C1=6", "R6C7=7", "R8C1=9", "R0C6=2", "R3C2=9", "R2C0=7", "R3C4=5", "R0C8=4", "R7C0=8", "R6C2=2", "R4C2=8", "R1C0=3", "R2C1=2", "R4C1=3", "R8C7=2", "R0C0=9", "R4C5=1", "R2C3=4", "R6C3=9", "R5C6=7", "R3C1=7", "R1C5=9", "R0C4=8", "R5C8=2", "R8C4=7", "R0C2=6", "R5C7=1", "R0C5=7", "R0C7=3", "R5C3=3", "R3C3=6", "R5C2=5", "R5C5=8", "R1C4=2" ]
267
006800000000049013100002705432075000900080024000600370610007290003000100709500406
376851942258749613194362785432975861967183524581624379615437298843296157729518436
backtracking
[ "R8C7=3", "R4C1=6", "R5C1=8", "R8C4=1", "R0C8=2", "R8C1=2", "R5C8=9", "R6C4=3", "R5C2=1", "R5C5=4", "R3C7=6", "R3C8=1", "R4C5=3", "R7C7=5", "R3C6=8", "R0C0=3", "R1C6=6", "R6C3=4", "R0C1=7", "R2C1=9", "R7C1=4", "R0C4=5", "R1C3=7", "R8C5=8", "R0C7=4", "R3C3=9", "R4C3=1", "R5C4=2", "R7C3=2", "R2C4=6", "R7C5=6", "R0C6=9", "R4C6=5", "R7C4=9", "R2C3=3", "R6C2=5", "R5C0=5", "R1C0=2", "R6C8=8", "R7C8=7", "R4C2=7", "R1C1=5", "R0C5=1", "R7C0=8", "R2C2=4", "R1C2=8", "R2C7=8" ]
268
012500400070001030809046200050900008300000049008072060004307090700085610000069005
612593487475821936839746251156934728327658149948172563564317892793285614281469375
backtracking
[ "R1C6=9", "R6C8=2", "R1C8=6", "R3C4=3", "R8C0=2", "R3C2=6", "R4C2=7", "R4C5=8", "R2C3=7", "R6C6=8", "R0C0=6", "R8C7=7", "R1C3=8", "R7C1=9", "R6C0=5", "R7C3=2", "R1C0=4", "R8C3=4", "R8C6=3", "R5C6=5", "R8C1=8", "R5C3=1", "R0C4=9", "R3C0=1", "R5C8=3", "R3C6=7", "R7C8=4", "R0C5=3", "R6C4=1", "R6C1=6", "R3C7=2", "R2C7=5", "R4C3=6", "R8C2=1", "R4C6=1", "R0C7=8", "R7C2=3", "R5C0=9", "R2C8=1", "R2C1=3", "R1C4=2", "R1C2=5", "R3C5=4", "R4C4=5", "R5C1=4", "R0C8=7", "R4C1=2" ]
269
000025600006800075902000003009200000310004008068507049005460007470908102000030800
784325691136849275952176483549283716317694528268517349825461937473958162691732854
backtracking
[ "R4C3=6", "R0C2=4", "R1C1=3", "R3C8=6", "R8C0=6", "R7C2=3", "R5C0=2", "R4C7=2", "R2C3=1", "R4C4=9", "R0C0=7", "R0C3=3", "R0C7=9", "R2C5=6", "R2C6=4", "R0C8=1", "R8C3=7", "R3C6=7", "R6C1=2", "R6C5=1", "R3C5=3", "R2C4=7", "R5C6=3", "R7C4=5", "R1C0=1", "R4C6=5", "R6C7=3", "R3C4=8", "R2C7=8", "R3C0=5", "R3C7=1", "R8C1=9", "R3C1=4", "R4C2=7", "R1C4=4", "R6C6=9", "R5C4=1", "R0C1=8", "R8C5=2", "R1C5=9", "R8C7=5", "R1C6=2", "R6C0=8", "R8C8=4", "R7C7=6", "R8C2=1", "R2C1=5" ]
270
900002081305900000004001057508190003700005004000060028800240700690380010070000060
967452381315978246284631957528194673736825194149763528851246739692387415473519862
backtracking
[ "R5C6=5", "R5C3=7", "R1C4=7", "R5C0=1", "R8C4=1", "R8C8=2", "R6C2=1", "R1C1=1", "R4C6=1", "R5C1=4", "R7C5=7", "R2C4=3", "R4C1=3", "R6C8=9", "R8C2=3", "R3C7=7", "R1C5=8", "R2C1=8", "R7C6=4", "R4C7=9", "R8C6=8", "R2C3=6", "R7C8=5", "R0C2=7", "R1C7=4", "R0C3=4", "R7C2=2", "R1C8=6", "R3C6=6", "R4C3=8", "R6C1=5", "R2C0=2", "R5C5=3", "R4C2=6", "R4C4=2", "R8C3=5", "R0C4=5", "R2C6=9", "R0C1=6", "R3C5=4", "R8C5=9", "R8C0=4", "R1C6=2", "R6C7=3", "R0C6=3", "R3C1=2", "R5C2=9", "R6C5=6" ]
271
030810005000020134096500700708100029002000506000430000500604008081009267079080000
234817695857926134196543782748165329312798546965432871523674918481359267679281453
backtracking
[ "R8C6=4", "R4C3=7", "R1C3=9", "R5C2=5", "R8C3=2", "R4C7=4", "R4C0=3", "R1C2=7", "R1C1=5", "R0C7=9", "R1C5=6", "R0C2=4", "R3C4=6", "R5C5=2", "R6C1=2", "R7C3=3", "R2C4=4", "R4C5=8", "R5C1=6", "R0C0=2", "R5C0=9", "R2C8=2", "R3C1=4", "R8C8=3", "R0C5=7", "R4C4=9", "R2C0=1", "R1C0=8", "R4C1=1", "R8C7=5", "R5C7=7", "R6C7=1", "R2C7=8", "R8C0=6", "R3C6=3", "R6C4=7", "R6C6=9", "R2C5=3", "R7C4=5", "R0C6=6", "R6C2=3", "R5C8=1", "R3C5=5", "R8C5=1", "R7C0=4", "R5C6=8" ]
272
032005014000080500590004027003050408000620009150400370040807900800132000007000006
632975814471286593598314627923751468784623159156498372245867931869132745317549286
backtracking
[ "R6C8=1", "R2C4=1", "R8C4=4", "R8C7=8", "R3C7=6", "R1C8=3", "R2C2=8", "R5C4=9", "R2C6=6", "R2C3=3", "R1C1=7", "R4C2=4", "R3C3=7", "R6C4=6", "R4C7=5", "R7C6=7", "R8C3=5", "R4C1=8", "R6C0=2", "R0C0=6", "R8C5=9", "R4C0=7", "R0C3=9", "R7C2=9", "R5C5=8", "R8C1=1", "R1C5=6", "R3C5=1", "R7C7=4", "R1C7=9", "R1C0=4", "R4C5=3", "R6C2=5", "R8C6=2", "R6C7=3", "R3C0=9", "R0C6=8", "R8C0=3", "R3C1=2", "R5C8=2", "R5C2=6", "R1C3=2", "R1C2=1", "R4C6=1", "R7C1=6", "R0C4=7", "R7C8=5" ]
273
000870001937000500400600000000280130070046000305190620063020905702500048100000700
526873491937412586418659273649285137271346859385197624863724915792561348154938762
backtracking
[ "R6C3=7", "R3C1=4", "R1C7=8", "R0C5=3", "R4C6=8", "R0C2=6", "R1C4=1", "R1C8=6", "R6C7=1", "R1C3=4", "R8C5=8", "R4C2=1", "R6C5=4", "R2C2=8", "R4C0=2", "R8C3=9", "R2C4=5", "R8C2=4", "R0C0=5", "R7C4=6", "R3C0=6", "R4C3=3", "R5C1=8", "R8C7=6", "R5C5=7", "R3C8=7", "R8C4=3", "R5C8=4", "R7C5=1", "R7C6=3", "R4C7=5", "R4C8=9", "R8C8=2", "R1C5=2", "R2C8=3", "R7C1=9", "R2C7=7", "R2C5=9", "R0C7=9", "R0C1=2", "R2C1=1", "R0C6=4", "R2C6=2", "R3C5=5", "R6C0=8", "R8C1=5", "R3C2=9" ]
274
083104060400250008500090000020000057650800901010067030000320000039706200700000014
283174569496253178571698423328419657657832941914567832845321796139746285762985314
backtracking
[ "R7C8=5", "R8C4=8", "R8C2=2", "R0C4=7", "R6C1=4", "R0C0=2", "R6C8=6", "R6C2=5", "R3C2=8", "R2C3=6", "R4C4=3", "R5C8=2", "R0C8=9", "R2C6=4", "R5C6=8", "R3C0=3", "R2C1=7", "R2C8=3", "R5C0=9", "R1C1=9", "R4C5=2", "R5C2=4", "R8C1=6", "R2C2=1", "R1C7=7", "R5C3=5", "R6C7=9", "R0C6=5", "R3C4=1", "R3C5=9", "R8C3=9", "R6C6=7", "R3C6=6", "R7C4=4", "R8C6=3", "R7C0=1", "R1C5=3", "R1C6=1", "R2C7=2", "R6C0=8", "R4C7=4", "R4C2=7", "R7C7=8", "R3C3=4", "R2C5=8", "R1C2=6", "R6C5=1", "R8C5=5" ]
275
030001060500084310209050807600803100804090000020000070305710000700600080960540002
438971265576284319219356847697823154854197623123465978385712496742639581961548732
backtracking
[ "R4C6=6", "R5C0=1", "R5C3=4", "R8C2=1", "R7C8=1", "R0C3=9", "R6C7=9", "R2C3=3", "R0C2=8", "R5C8=8", "R6C6=4", "R7C4=3", "R4C5=7", "R7C1=4", "R6C5=2", "R1C1=7", "R3C1=9", "R4C3=1", "R8C6=7", "R8C7=3", "R0C8=5", "R3C7=5", "R7C2=2", "R8C5=8", "R2C5=6", "R0C0=4", "R1C3=2", "R1C8=9", "R0C6=2", "R2C1=1", "R0C4=7", "R5C6=9", "R5C5=5", "R6C8=6", "R7C5=9", "R5C4=6", "R2C7=4", "R3C8=4", "R3C2=7", "R7C6=5", "R3C4=2", "R1C2=6", "R4C1=5", "R4C8=3", "R6C1=8", "R4C7=2", "R5C2=3" ]
276
050001060930570040108000020000100790002340000607000008001239005703608004560000200
254891367936572841178463529345186792892347156617925438481239675723658914569714283
backtracking
[ "R5C3=9", "R2C5=3", "R3C0=3", "R2C3=4", "R3C1=4", "R8C5=4", "R8C2=9", "R4C5=7", "R3C8=2", "R7C6=9", "R4C7=5", "R5C4=2", "R2C8=9", "R3C5=6", "R1C5=2", "R2C6=5", "R0C8=7", "R3C4=8", "R7C4=5", "R6C7=7", "R4C6=1", "R2C1=7", "R0C3=8", "R5C6=4", "R3C2=5", "R0C2=4", "R6C0=4", "R0C0=2", "R7C1=2", "R4C8=6", "R8C4=1", "R5C7=3", "R4C1=9", "R8C7=8", "R4C0=8", "R5C1=1", "R1C2=6", "R6C6=6", "R7C7=1", "R8C3=7", "R6C1=8", "R1C8=1", "R8C8=3", "R0C6=3", "R2C4=6", "R0C4=9", "R1C6=8", "R5C5=5" ]
277
000900010007200603025180400092400068064003050000000907000802100003070006050069720
486937512917254683325186479792415368864793251531628947679842135243571896158369724
constraint_programming
[ "R6C8=5", "R5C0=5", "R7C7=9", "R3C0=7", "R8C0=1", "R1C7=8", "R3C6=3", "R6C2=9", "R7C6=8", "R5C4=2", "R0C5=7", "R0C0=4", "R6C0=6", "R8C2=8", "R6C1=7", "R8C8=4", "R2C8=9", "R0C1=8", "R4C3=7", "R8C3=3", "R4C6=2", "R4C0=8", "R1C4=5", "R5C3=6", "R0C8=2", "R6C4=4", "R1C5=4", "R5C5=8", "R2C0=3", "R0C4=3", "R7C1=4", "R1C0=9", "R5C2=1", "R1C1=1", "R0C2=6", "R3C5=5", "R4C4=9", "R7C0=2", "R4C8=1", "R5C1=3", "R7C3=5", "R5C7=4", "R6C7=3", "R2C5=6", "R2C7=7", "R7C5=1", "R0C6=5", "R3C4=1" ]
278
100020060090780503052000009000600790730090008008500002500104030020009015604003080
173925864496781523852346179245638791731492658968517342589174236327869415614253987
backtracking
[ "R2C4=4", "R3C8=1", "R6C1=8", "R3C2=5", "R4C6=6", "R5C1=6", "R0C5=5", "R3C1=4", "R2C3=3", "R3C0=2", "R3C5=8", "R1C7=2", "R0C1=7", "R4C7=5", "R2C0=8", "R6C8=6", "R6C6=2", "R7C3=8", "R5C6=3", "R7C6=4", "R0C8=4", "R8C4=5", "R0C6=8", "R1C0=4", "R7C0=3", "R6C2=9", "R2C7=7", "R7C2=7", "R7C4=6", "R5C4=1", "R2C5=6", "R3C4=3", "R8C1=1", "R4C5=2", "R2C6=1", "R5C7=4", "R0C2=3", "R8C3=2", "R8C8=7", "R4C3=4", "R1C5=1", "R0C3=9", "R5C5=7", "R8C6=9", "R6C4=7", "R1C2=6", "R5C0=9", "R4C2=1" ]
279
041980006300042008020760500109400000674050001000000070710300060005800900806175030
541983726367542198928761543189437652674259381253618479712394865435826917896175234
backtracking
[ "R3C5=7", "R5C0=2", "R3C6=6", "R2C5=1", "R0C5=3", "R4C5=9", "R7C0=4", "R7C5=6", "R6C4=9", "R5C2=3", "R6C5=4", "R1C3=5", "R7C4=2", "R7C1=3", "R0C7=2", "R8C1=9", "R4C6=3", "R7C8=7", "R1C7=9", "R1C6=1", "R5C3=6", "R6C8=5", "R5C8=9", "R3C1=8", "R4C7=8", "R5C5=8", "R8C8=4", "R1C1=6", "R5C4=1", "R8C6=2", "R6C2=2", "R0C0=5", "R0C6=7", "R5C1=5", "R4C3=2", "R1C2=7", "R5C6=4", "R2C8=3", "R2C2=8", "R7C7=1", "R3C4=3", "R3C7=5", "R2C0=9", "R3C8=2", "R2C7=4", "R6C6=8" ]
280
500010000730009140040200306029801000000700013000000204090007605004600872650380090
586413729732569148941278356429831567865724913173956284298147635314695872657382491
backtracking
[ "R0C5=3", "R0C8=9", "R1C3=5", "R5C5=6", "R6C2=8", "R2C0=9", "R4C5=4", "R2C4=7", "R7C0=3", "R7C4=9", "R1C2=2", "R3C8=7", "R7C1=1", "R4C1=6", "R3C4=3", "R2C2=1", "R0C7=2", "R8C6=4", "R3C7=6", "R5C4=5", "R8C2=7", "R6C4=4", "R4C0=8", "R6C3=1", "R5C0=1", "R0C2=6", "R5C2=3", "R8C5=2", "R1C8=8", "R5C1=7", "R8C8=1", "R4C4=2", "R0C6=7", "R3C0=4", "R5C7=8", "R2C7=5", "R5C3=9", "R4C2=5", "R1C4=6", "R6C0=2", "R7C5=5", "R0C1=8", "R4C6=9", "R2C5=8", "R3C6=5", "R0C3=4", "R6C7=3" ]
281
160500207004080000300700560080193000090004081000000706703008050052400109006302004
168539247574286913329741568687193425295674381431825796743918652852467139916352874
backtracking
[ "R7C5=7", "R4C0=2", "R4C2=5", "R6C4=1", "R5C7=9", "R4C4=7", "R2C2=9", "R1C1=7", "R8C7=7", "R6C1=4", "R2C1=2", "R2C4=4", "R1C3=2", "R3C7=2", "R1C7=1", "R1C5=6", "R5C4=2", "R6C3=9", "R7C0=8", "R7C4=6", "R0C5=9", "R2C5=1", "R7C7=3", "R3C2=7", "R1C6=9", "R1C8=3", "R1C0=5", "R5C1=3", "R0C2=8", "R8C1=1", "R3C8=5", "R6C6=6", "R8C4=5", "R5C0=4", "R0C7=4", "R5C2=1", "R0C4=3", "R3C0=6", "R2C8=8", "R5C5=5", "R5C3=8", "R4C3=6", "R8C0=9", "R4C6=3", "R6C8=2", "R8C6=8", "R3C6=4" ]
282
060032500070000100018745036600008009930560001002010400084600090705009000000007023
469132578573896142218745936641278359937564281852913467384621795725389614196457823
backtracking
[ "R1C0=5", "R8C2=6", "R8C6=8", "R4C5=4", "R6C4=2", "R2C0=2", "R7C4=8", "R3C2=1", "R3C4=7", "R8C0=1", "R3C3=2", "R7C6=6", "R0C7=7", "R0C0=4", "R0C8=8", "R4C2=7", "R3C7=5", "R8C3=4", "R4C7=8", "R1C7=4", "R1C2=3", "R4C6=2", "R5C0=8", "R2C6=9", "R5C3=9", "R6C8=5", "R1C5=6", "R6C6=7", "R3C6=3", "R3C1=4", "R5C8=7", "R7C1=2", "R5C1=5", "R1C3=8", "R8C1=9", "R7C8=4", "R1C4=9", "R6C0=3", "R0C2=9", "R7C3=3", "R6C5=1", "R5C7=6", "R7C7=1", "R0C3=1", "R5C5=3", "R1C8=2", "R8C4=5" ]
283
050009730003000204942060100500208003100640000007003600008900067420010309090800500
851429736673581294942367158564278913139645872287193645318952467425716389796834521
backtracking
[ "R5C0=2", "R0C2=1", "R4C6=8", "R5C3=1", "R5C8=5", "R8C0=7", "R3C6=9", "R6C1=1", "R2C3=3", "R0C8=6", "R8C4=3", "R1C1=7", "R6C6=4", "R1C3=5", "R8C2=6", "R0C3=4", "R3C1=6", "R3C2=4", "R0C4=2", "R2C7=5", "R8C7=2", "R1C0=6", "R0C0=8", "R2C8=8", "R5C4=9", "R4C5=5", "R3C4=7", "R1C5=1", "R4C2=9", "R4C7=7", "R8C8=1", "R1C4=8", "R8C5=4", "R5C1=8", "R1C7=9", "R6C0=3", "R5C7=4", "R7C3=7", "R6C5=2", "R2C5=7", "R4C8=2", "R6C4=5", "R7C7=8", "R3C7=1", "R7C5=6", "R4C1=3", "R7C2=5" ]
284
807100005000040019096007002004050100019700026200300047905420000030060000060900803
847192365523648719196537482674259138319784526258316947985423671731865294462971853
backtracking
[ "R6C5=3", "R6C8=1", "R8C7=5", "R5C5=6", "R7C2=1", "R0C4=9", "R4C5=4", "R6C7=7", "R5C6=9", "R7C5=5", "R3C1=7", "R3C3=2", "R8C2=2", "R0C7=6", "R3C0=6", "R7C8=4", "R4C0=3", "R7C3=8", "R2C0=1", "R8C0=4", "R0C1=4", "R8C5=1", "R4C4=8", "R7C0=7", "R2C7=8", "R1C2=3", "R5C4=1", "R2C3=5", "R1C6=7", "R3C5=9", "R0C5=2", "R2C4=3", "R1C1=2", "R1C3=6", "R6C1=8", "R5C2=8", "R2C6=4", "R0C6=3", "R1C0=5", "R1C5=8", "R3C8=8", "R4C6=5", "R7C7=9", "R5C1=5", "R3C7=3", "R6C6=6", "R8C4=7", "R7C6=2" ]
285
230010809009500041400083002070020960000005700186704200705001000010000003042600080
237416859869572341451983672573128964924365718186794235795831426618247593342659187
backtracking
[ "R3C0=5", "R5C4=9", "R3C5=8", "R0C5=6", "R8C6=1", "R6C7=2", "R7C0=6", "R8C0=3", "R4C1=2", "R5C8=5", "R7C4=4", "R1C4=7", "R8C4=5", "R8C8=7", "R4C2=4", "R2C7=7", "R0C3=4", "R1C5=2", "R3C8=4", "R4C7=1", "R2C2=1", "R7C2=8", "R4C3=3", "R1C6=3", "R4C0=9", "R3C2=3", "R1C1=6", "R7C6=5", "R6C1=9", "R6C3=8", "R7C7=9", "R8C5=9", "R6C8=6", "R3C3=1", "R5C7=3", "R4C4=6", "R2C3=9", "R7C5=7", "R7C3=2", "R0C7=5", "R4C8=8", "R1C0=8", "R6C4=3", "R2C1=5", "R0C2=7", "R6C6=4", "R2C6=6" ]
286
002130640901007008060502700009000305500073000180400200300060050000080406007905001
752138649931647528864592713479216385526873194183459267318764952295381476647925831
backtracking
[ "R7C5=1", "R2C2=4", "R7C0=2", "R4C7=9", "R2C8=3", "R5C8=7", "R5C2=3", "R1C3=6", "R7C1=9", "R5C5=9", "R7C2=5", "R8C4=2", "R3C5=6", "R6C3=7", "R6C2=8", "R6C5=4", "R4C8=4", "R1C4=4", "R0C5=8", "R8C0=6", "R4C2=6", "R4C6=1", "R8C6=8", "R3C4=1", "R0C0=7", "R3C0=4", "R0C8=9", "R8C1=4", "R8C7=3", "R4C1=2", "R0C1=5", "R5C7=6", "R5C4=5", "R6C6=9", "R7C3=3", "R6C1=1", "R1C1=3", "R3C7=8", "R2C4=9", "R3C1=7", "R2C0=8", "R3C3=2", "R4C3=8", "R6C8=2", "R2C7=1", "R1C6=5", "R1C7=2", "R7C7=7" ]
287
061000003200094070005021060000002007809050300070030904180040005506780012003006090
961875243238694571745321869354962187819457326672138954187249635596783412423516798
backtracking
[ "R2C6=8", "R0C4=7", "R6C2=7", "R4C1=1", "R6C3=2", "R8C6=7", "R1C8=1", "R4C5=7", "R0C3=8", "R4C8=6", "R3C4=6", "R5C5=8", "R5C3=1", "R0C5=5", "R6C5=9", "R6C7=3", "R5C7=5", "R1C1=3", "R7C5=3", "R8C3=5", "R3C6=1", "R2C3=3", "R7C6=4", "R2C0=7", "R3C2=4", "R3C0=3", "R8C8=8", "R8C1=2", "R3C1=5", "R0C7=4", "R3C7=8", "R2C8=9", "R4C7=2", "R3C3=9", "R1C6=5", "R8C0=4", "R2C1=4", "R1C2=8", "R8C4=1", "R1C3=6", "R5C2=2", "R6C6=6", "R7C1=9", "R0C6=2", "R0C0=9", "R4C3=4", "R5C0=6" ]
288
005187204006400305010005090001600000508030047020900180009000000080020476704803002
935187264876492315412365798341678529598231647627954183259746831183529476764813952
backtracking
[ "R2C3=3", "R4C3=2", "R7C2=3", "R3C4=7", "R5C0=6", "R5C8=3", "R1C1=7", "R0C7=6", "R6C1=5", "R7C5=9", "R1C4=9", "R5C5=4", "R6C3=7", "R6C5=6", "R8C1=6", "R2C2=2", "R6C7=3", "R8C7=5", "R4C1=9", "R2C8=8", "R3C6=5", "R2C0=4", "R2C4=6", "R3C1=4", "R6C4=4", "R0C1=3", "R5C4=5", "R2C6=7", "R5C2=7", "R7C0=1", "R7C3=5", "R3C0=3", "R8C4=1", "R6C0=2", "R6C6=8", "R4C5=1", "R8C6=9", "R4C6=6", "R6C8=1", "R3C7=2", "R0C0=9", "R1C7=1", "R3C8=9", "R3C5=8", "R1C5=2", "R1C0=8" ]
289
040690500300000200610004807000038020000050760124970300098560070000200600030001004
842697513379815246615324897567138429983452761124976385498563172751249638236781954
constraint_programming
[ "R1C4=1", "R6C5=3", "R4C5=2", "R8C0=2", "R0C2=2", "R7C0=7", "R2C2=5", "R3C1=6", "R6C8=2", "R4C3=4", "R2C7=9", "R4C0=9", "R1C2=9", "R3C0=5", "R5C8=5", "R7C2=1", "R4C8=1", "R8C2=6", "R3C6=4", "R1C7=4", "R3C2=7", "R0C7=1", "R7C8=8", "R3C8=9", "R0C5=7", "R8C3=7", "R7C7=3", "R8C4=8", "R1C1=7", "R4C2=3", "R6C6=1", "R7C1=5", "R5C7=8", "R5C5=6", "R6C0=4", "R7C4=4", "R1C3=8", "R3C3=1", "R4C1=8", "R1C8=6", "R0C8=3", "R2C3=3", "R2C4=2", "R0C0=8", "R7C5=9", "R8C6=9", "R1C5=5", "R8C7=5" ]
290
700030094006000000500400801632008000070609500000014720004802010260950030100000065
718235694946187352523496871632578149471629583895314726354862917267951438189743265
constraint_programming
[ "R2C1=2", "R8C5=3", "R6C8=7", "R7C8=8", "R4C7=8", "R8C4=4", "R2C4=9", "R1C0=9", "R1C7=5", "R4C0=4", "R2C2=3", "R4C8=3", "R5C0=8", "R1C8=2", "R2C7=7", "R7C5=1", "R8C3=7", "R6C6=9", "R5C2=5", "R8C6=2", "R3C8=9", "R5C1=9", "R6C1=5", "R3C4=7", "R3C7=4", "R8C1=8", "R1C4=8", "R0C6=6", "R1C1=4", "R1C6=3", "R8C2=9", "R1C3=1", "R0C1=1", "R2C5=6", "R1C5=7", "R4C2=1", "R7C6=4", "R0C5=5", "R0C2=8", "R6C0=3", "R6C4=6", "R0C3=2", "R5C8=6", "R4C4=2", "R3C6=1", "R7C2=7", "R3C3=5", "R5C3=3" ]
291
003002007080000510700000600200450903039007000501080000090870400400620709650904008
163542897984736512725198634276451983839267145541389276392875461418623759657914328
backtracking
[ "R7C7=5", "R5C8=6", "R7C5=3", "R5C7=7", "R1C5=6", "R1C3=7", "R8C2=7", "R8C4=1", "R4C6=1", "R2C1=2", "R3C7=8", "R5C3=3", "R4C7=4", "R1C2=4", "R5C5=9", "R0C7=9", "R2C7=3", "R6C7=6", "R0C6=8", "R3C5=1", "R6C5=5", "R1C8=2", "R2C5=8", "R0C4=4", "R0C3=5", "R4C0=8", "R5C6=2", "R0C1=6", "R7C1=1", "R4C4=6", "R0C0=1", "R6C0=3", "R8C6=3", "R2C4=9", "R5C1=4", "R4C3=2", "R7C2=8", "R3C1=7", "R6C8=1", "R6C2=2", "R2C3=1", "R8C7=2", "R2C8=4", "R4C8=5", "R3C2=6", "R1C0=9", "R2C2=5", "R1C4=3" ]
292
000415000006800000000007039080720160000000203590031400003004786701902050408000000
839415627276893541145267839384729165617548293592631478923154786761982354458376912
backtracking
[ "R5C2=2", "R7C1=6", "R2C6=8", "R5C7=7", "R8C1=5", "R8C6=9", "R0C6=6", "R0C7=2", "R3C0=3", "R1C5=3", "R2C2=5", "R7C6=3", "R1C6=5", "R0C2=9", "R3C2=4", "R6C3=1", "R8C8=2", "R4C3=5", "R8C3=3", "R3C5=9", "R6C4=5", "R7C8=4", "R8C7=1", "R0C1=3", "R6C0=9", "R5C8=8", "R2C4=6", "R4C0=6", "R0C8=7", "R1C7=4", "R2C1=4", "R2C3=2", "R1C8=1", "R8C5=6", "R1C4=9", "R0C0=8", "R8C4=7", "R3C8=5", "R4C2=7", "R5C3=6", "R2C0=1", "R4C1=1", "R1C0=2", "R1C1=7", "R4C5=8", "R7C4=8", "R4C4=4", "R4C7=9", "R6C1=2" ]
293
003000041020590700680204005019380006300029000450007980000601070070030510200058030
593876241124593768687214395719385426368429157452167983935641872876932514241758639
backtracking
[ "R8C1=4", "R2C4=1", "R3C0=7", "R5C4=6", "R5C2=2", "R4C8=7", "R6C6=8", "R8C8=9", "R4C7=5", "R2C7=9", "R7C8=4", "R4C6=1", "R1C8=8", "R6C1=3", "R6C4=4", "R8C3=7", "R1C0=1", "R0C1=9", "R2C6=3", "R0C6=2", "R5C8=3", "R1C2=4", "R1C7=6", "R4C1=6", "R6C2=5", "R3C6=4", "R0C3=8", "R5C3=1", "R6C8=2", "R7C0=8", "R7C2=6", "R3C5=5", "R2C2=7", "R6C0=9", "R0C5=6", "R1C5=3", "R7C5=2", "R0C0=5", "R8C6=6", "R4C3=4", "R7C3=9", "R0C4=7", "R3C7=2", "R4C2=8", "R8C2=1" ]
294
009705004407003610800006090053900070000302108602001000030684207040000900008120300
369715824427893615815246793153968472794352168682471539931684257246537981578129346
backtracking
[ "R6C0=9", "R4C2=4", "R8C8=6", "R3C5=8", "R0C6=8", "R2C1=1", "R4C0=7", "R0C7=2", "R7C5=7", "R7C0=2", "R3C8=2", "R8C7=4", "R3C0=1", "R8C0=5", "R2C4=4", "R0C4=1", "R7C3=5", "R6C7=5", "R5C3=4", "R7C4=3", "R3C4=6", "R5C1=8", "R7C2=6", "R4C4=5", "R5C4=7", "R3C6=4", "R2C6=7", "R5C6=5", "R1C4=9", "R5C8=9", "R8C5=9", "R1C3=8", "R7C7=8", "R5C7=3", "R1C1=2", "R2C8=3", "R0C1=6", "R0C0=3", "R1C8=5", "R7C8=1", "R8C1=7", "R4C1=9", "R6C2=1", "R2C3=2", "R2C2=5", "R4C7=6" ]
295
060503009002900401010084030087000042009006500200000170400178090500030000300090268
764513829832967451915284637687351942149726583253849176426178395598632714371495268
constraint_programming
[ "R7C3=6", "R8C5=5", "R7C2=8", "R5C3=8", "R4C4=2", "R8C1=7", "R2C0=9", "R5C8=6", "R3C3=3", "R7C5=2", "R4C3=7", "R3C6=9", "R5C4=4", "R3C0=6", "R8C3=4", "R4C8=3", "R3C4=5", "R0C0=7", "R1C5=7", "R1C1=3", "R0C7=2", "R4C1=4", "R2C6=6", "R7C8=4", "R7C7=1", "R6C8=5", "R6C6=3", "R5C1=5", "R2C2=5", "R3C5=1", "R2C8=7", "R7C1=9", "R2C3=2", "R0C4=1", "R1C0=8", "R4C7=8", "R7C6=7", "R6C1=2", "R5C5=9", "R5C2=3", "R1C7=5", "R0C2=4", "R4C0=1", "R0C6=8", "R8C2=1", "R6C2=6", "R1C4=6" ]
296
050620009032970004001080730000009800008740900410500006690004028003000610000002007
754623189832971564961485732576219843328746951419538276697154328243897615185362497
constraint_programming
[ "R6C6=3", "R5C2=9", "R7C1=4", "R8C6=4", "R3C7=4", "R2C5=5", "R2C8=2", "R8C7=9", "R0C6=1", "R3C2=6", "R5C4=3", "R1C6=5", "R3C1=7", "R7C5=7", "R0C7=8", "R6C4=5", "R5C5=8", "R4C0=3", "R5C7=7", "R4C8=1", "R7C3=8", "R2C1=6", "R3C3=2", "R4C1=2", "R0C0=7", "R2C3=4", "R3C8=3", "R5C6=2", "R1C0=8", "R0C5=3", "R3C0=5", "R8C2=5", "R7C8=5", "R4C5=6", "R6C3=1", "R1C5=1", "R7C0=2", "R8C3=3", "R7C4=9", "R2C0=9", "R8C4=6", "R8C1=8", "R1C7=6", "R6C2=7", "R4C7=5", "R8C0=1", "R0C2=4", "R3C4=1" ]
297
800021049370640010000900005000008100092470003650002070540300002786050400000000600
865721349379645218214983765437598126192476583658132974541367892786259431923814657
backtracking
[ "R3C8=6", "R7C5=9", "R0C1=6", "R6C5=7", "R6C6=8", "R8C3=8", "R2C1=1", "R2C7=6", "R8C5=4", "R5C4=3", "R1C6=2", "R8C8=7", "R1C8=8", "R3C3=5", "R7C3=2", "R3C4=9", "R3C2=7", "R4C7=8", "R4C0=1", "R7C8=1", "R8C1=2", "R8C4=1", "R3C0=4", "R1C5=5", "R2C2=4", "R8C2=3", "R3C7=2", "R1C2=9", "R5C6=9", "R0C6=3", "R5C8=4", "R7C7=3", "R6C4=6", "R8C7=5", "R4C6=5", "R6C2=1", "R3C1=3", "R2C5=3", "R2C6=7", "R6C7=9", "R0C3=7", "R8C0=9", "R2C4=8", "R2C0=2", "R5C3=1", "R0C2=5", "R4C5=6", "R5C2=8" ]
298
700069080068000030004002050200045008003790406010030900007000500931004000040126700
752369184168457239394812657279645318583791426416238975627983541931574862845126793
backtracking
[ "R0C8=4", "R0C3=3", "R1C5=7", "R2C3=8", "R7C8=2", "R6C7=4", "R5C3=2", "R5C7=7", "R5C5=8", "R7C4=7", "R3C3=6", "R6C3=9", "R8C8=3", "R2C4=1", "R3C6=3", "R1C6=2", "R4C0=5", "R3C7=1", "R2C8=7", "R6C8=1", "R7C6=8", "R1C4=5", "R2C1=9", "R5C0=4", "R0C6=1", "R4C1=8", "R3C2=9", "R6C1=2", "R8C0=8", "R7C7=6", "R2C6=6", "R0C1=5", "R4C5=1", "R5C8=5", "R3C1=7", "R5C2=6", "R6C5=3", "R1C3=4", "R2C0=3", "R1C8=9", "R8C7=9", "R8C2=5", "R7C3=5", "R6C4=8", "R0C2=2", "R6C0=6", "R1C0=1", "R4C7=2" ]
299
010080070307200004090306020600001030001859002482007091000000000078500003003048760
215984376367215984894376125659421837731859642482637591146793258978562413523148769
backtracking
[ "R0C5=4", "R3C8=7", "R3C1=5", "R1C7=8", "R3C2=9", "R1C5=5", "R4C1=3", "R2C8=5", "R2C0=8", "R7C5=2", "R2C6=1", "R6C1=4", "R1C1=6", "R2C4=7", "R6C6=2", "R7C6=4", "R0C2=5", "R4C6=6", "R3C3=4", "R3C6=8", "R1C6=9", "R6C5=3", "R7C4=6", "R3C4=2", "R6C8=8", "R8C0=5", "R6C7=5", "R6C2=6", "R6C4=9", "R0C8=6", "R0C0=2", "R7C7=1", "R6C0=1", "R4C7=4", "R5C3=6", "R1C4=1", "R5C6=5", "R5C4=3", "R0C3=9", "R0C6=3", "R8C8=9", "R7C0=9", "R8C3=1", "R4C0=7", "R2C2=4", "R8C1=2", "R6C3=7" ]