Suirodoku — The first playable Graeco-Latin Sudoku square combining digits and colors
puzzle math game-engine constraint-satisfaction-problem sudoku-puzzle sudoku combinatorics math-game number-game logic-puzzle brain-teaser-game latin-squares grid-puzzle 9x9 sudoku-variant color-sudoku graeco-latin-square euler-square
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Updated
Feb 13, 2026 - HTML