Sudoku › Hard

Hard Sudoku — Puzzle 199

63
278
574
47159
92
31
6384
752
76

Solve it here

Tap an empty square, then tap a number. Or print the page and use a pencil.

0 of 55 squares filled

Fill every row, every column and every 3 by 3 box with the numbers 1 to 9. This puzzle has 26 given numbers and exactly one solution.

481679325
257834196
936512748
624781539
815493267
793256814
569328471
348167952
172945683

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