Sudoku › Hard

Hard Sudoku — Puzzle 100

527
485
761
2831
391
38
1976
98
54

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.

528471369
461839752
397526814
286354197
739168425
154792638
815243976
642917583
973685241

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