Claude Sonnet 5.5 on Beyond grid 6
Solved: 57 of 57 blank cells right. It said it was 96% sure. All of Claude Sonnet 5.5's answers.
RESULTSolved
CELLS RIGHT57 / 57
SAID96% sure
MODEL TIME2.8 min
COST$0.261 (API-equivalent)
TOKENS IN / OUT914 / 25,722
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5 given 5 filled correctly 53 wrong, with the right digit 3 left empty
The end of its reply
I solved it by hand, using candidate elimination and one case split that was ruled out by contradiction. I then checked that every row and column of the final grid holds each digit once. I did not check each 3x3 box individually, though the deductions placed digits box by box. <grid> 475981362 268735491 913426785 782649153 356217849 149853627 827194536 634572918 591368274 </grid> <confidence>96</confidence>
Grid beyond-5 of set v1, 24 givens. Puzzle as one line: ...9.1...2.87......1...6......6.....356.1..4...9..3..7.2...4.3..3..7..18......2..