Sudoku › Hard

Hard Sudoku — Puzzle 9

237
7243
681
31
139
298
1
8697
3684

Solve it here

Tap an empty square, then tap a number. Or print the page and use a pencil.

0 of 54 squares filled

Fill every row, every column and every 3 by 3 box with the numbers 1 to 9. This puzzle has 27 given numbers and exactly one solution.

524931768
198672453
367458192
639284517
481765329
275319846
912847635
846593271
753126984

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