Claude Sonnet 5.5 on Steady grid 3
Solved: 49 of 49 blank cells right. It said it was 96% sure. All of Claude Sonnet 5.5's answers.
RESULTSolved
CELLS RIGHT49 / 49
SAID96% sure
MODEL TIME1.0 min
COST$0.094 (API-equivalent)
TOKENS IN / OUT922 / 9,012
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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 branch on which cell holds the 5 in box 4 (the middle-left box). That branch filled the whole grid with no conflicts, and I checked every row, column and box afterwards. I did not test the other branch, but the puzzle is stated to have a unique solution. <grid> 465932781 287541693 931876542 674185239 513729864 892364175 729418356 158693427 346257918 </grid> <confidence>96</confidence>
Grid steady-2 of set v1, 32 givens. Puzzle as one line: 4.59...812....1..3.31...5....41.5..9.1..2..6.8..3.41....9...35....6....734...79.8