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Hard Sudoku — Puzzle 31

786
3916
1974
8174
53
9
92
15
4293

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.

475861392
328549167
169327458
683175249
547932816
912684735
736498521
291753684
854216973

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