Hints for Sudoku puzzle of the day
Wednesday May 21, 2025
Here is a list of the cells you should be able to solve, in an order that guarantees you can solve each cell.
1:eD 2:cB 3:aC 4:aB 5:gA 6:eC 7:fC 8:fE 9:fF 10:bH 11:bD 12:aE 13:hI 14:hD 15:gF 16:iC 17:gC 18:dD 19:gD 20:fA 21:eH 22:eF 23:eE 24:hC 25:dE 26:cE 27:iH 28:aG 29:aI 30:aD 31:fI 32:cG 33:cH 34:gG 35:cD 36:fH 37:fB 38:dA 39:fG 40:dG 41:hF 42:hG 43:iE 44:iG 45:bI 46:aA 47:bA 48:iB 49:bE 50:bF 51:gB 52:iI 53:gI 54:iA 55:dH 56:gH
Want a personal book of puzzles?
Send me a note indicating how many puzzles you want and what kind,
and I can build you a PDF file tailored to your specifications.
Puzzle types: classic (sizes 4, 9, 16, 25, 36, 49), diagonal (sizes 4,
9, 16, 25, 36, 49), centerdot (sizes 9, 25), multispot (sizes 5, 6, 7,
8, 9), multifour (sizes 8, 12), multi-9 (size 18).
All puzzles can be generated to require no guesses or 1 guess.
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Authors
Raphael Finkel (mail me: raphael at cs.uky.edu), Victor Marek, Mirek Truszczyński