Suirodoku Daily Challenge #3

July 11, 2026 · one worldwide grid (UTC) · medium · digits × colors

4
6
5
3
7
2
7
3
3
9
5
6
3
1
5
6
8
9
1
7
4
6
4
2
3
6
1
7
5
8
9
8
1
6
3
4
5
5
3
6
7

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#1Player14:030
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Suirodoku is a free online color sudoku: every row, column and region holds the digits 1-9 AND all 9 colors, and each digit-color pair appears exactly once. The math behind it · Daily hub