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Hard Sudoku — Puzzle 260

52
386
651
476
3894
42
1
647
82693

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.

634185729
915372846
728964351
479253168
253816974
186749235
592638417
361497582
847521693

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