Sudoku hard online

Looking to play hard sudoku free, so here it is!

You can play online sudoku hard, save your game in progress or print the game puzzle.

A lot of options available to you as zoom, automatic backup, undo last move...

A sudoku hard is a puzzle which can be solved with more sophisticated methods.

For more difficult sudoku there are the expert level and evil level!

Zoom :
765
913
528
4
6473
8
352
751
189

 1sudoku.com   -   n° 323815   -   Hard

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