Sudoku #m709

Sudoku game, level: Medium #709. This Sudoku have 27 given numbers (clues)..
Structure: 1 (1 pcs.), 2 (2 pcs.), 3 (3 pcs.), 4 (3 pcs.), 7 (3 pcs.), 8 (3 pcs.), 5 (4 pcs.), 6 (4 pcs.), 9 (4 pcs.), ∑27.


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9  
DEL  
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DEL  
4
2
6
5
9
3
2
8
6
7
8
4
3
7
9
6
6
9
5
4
3
8
1
5
9
7
5
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