Sudoku #m679

Sudoku game, level: Medium #679. This Sudoku have 27 given numbers (clues)..
Structure: 6 (1 pcs.), 5 (2 pcs.), 9 (2 pcs.), 1 (3 pcs.), 2 (3 pcs.), 7 (3 pcs.), 4 (4 pcs.), 8 (4 pcs.), 3 (5 pcs.), ∑27.


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