Sudoku #m723

Sudoku game, level: Medium #723. This Sudoku have 23 given numbers (clues)..
Structure: 5 (1 pcs.), 3 (2 pcs.), 4 (2 pcs.), 8 (2 pcs.), 1 (3 pcs.), 6 (3 pcs.), 7 (3 pcs.), 9 (3 pcs.), 2 (4 pcs.), ∑23.


Current Time 0:0
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5
8
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9
1
1
7
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3
6
9
4
2
2
8
7
6
1
7
3
2
4
9
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