Sudoku › Hard

Hard Sudoku — Puzzle 166

8371
426
512
978
541
78
65
8135
59

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.

268437159
147952863
935618247
492176538
386529471
751843926
613295784
824761395
579384612

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