Sudoku #m493

Sudoku game, level: Medium #493. This Sudoku have 27 given numbers (clues)..
Structure: 1 (1 pcs.), 2 (2 pcs.), 7 (2 pcs.), 8 (3 pcs.), 6 (3 pcs.), 5 (3 pcs.), 4 (4 pcs.), 3 (4 pcs.), 9 (5 pcs.), ∑27.


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