Sudoku #m988

Sudoku game, level: Medium #988. This Sudoku have 23 given numbers (clues)..
Structure: 7 (1 pcs.), 1 (2 pcs.), 2 (2 pcs.), 3 (3 pcs.), 4 (3 pcs.), 5 (3 pcs.), 6 (3 pcs.), 8 (3 pcs.), 9 (3 pcs.), ∑23.


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