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PostPosted: Wed Oct 31, 2018 2:15 pm 
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Grand Master
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Joined: Thu Apr 24, 2008 4:27 pm
Posts: 791
Ninja Pack 2 Puzzle 4:

Richard Broughton's SudokuSolver couldn't solve this, even with all techniques enabled except brute force. I don't have access to another solver that will handle these. Do I simply need to re-order the techniques, or is it really unsolvable?

http://i.imgur.com/JicQG6A.png

Code:
480000000900600200001092000304060900000930070010500000000007000000300000000040000
460000000032090000000000000500100970007008030000000080000002000000700000000056000
000009003000000040000000009200000001000460900008030000000380000000900000000010000
900030000000010000000650000070800603020070000030002095702900000008540000006000000
000080000000001000000000000000050000000028000590604200000500000000000000000000000
000023007000000304000070001030604100900000000740050000000000900000000030000302605
000209000000400000000000000010500000009000860000007304670030000000000000200000000
000700000000000000000200000007010008000009206003000051000004080000600000000000000
000050000000104000000070000000040000000002570050003204147000080860020100003000000


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