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Hard Sudoku — Puzzle 251

741859
823
9
172
973
3
7584
64173

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.

743185629
815629437
629734158
187293546
952846713
436571982
594368271
371952864
268417395

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