Sudoku › Hard

Hard Sudoku — Puzzle 188

59
723
6218
93
643
29
481
7159
392

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.

123598647
768412935
495673218
936854172
872961453
541327896
654239781
287145369
319786524

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