Sudoku #m886

Sudoku game, level: Medium #886. This Sudoku have 23 given numbers (clues)..
Structure: 1 (1 pcs.), 3 (1 pcs.), 9 (1 pcs.), 4 (3 pcs.), 5 (3 pcs.), 6 (3 pcs.), 8 (3 pcs.), 2 (4 pcs.), 7 (4 pcs.), ∑23.


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