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Hard Sudoku — Puzzle 281

56174
492
6
7865
83
413
7
695
3421

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.

395261784
416798532
728534691
237846159
589172463
641359827
952617348
164983275
873425916

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