Sudoku #m161

Sudoku game, level: Medium #161. This Sudoku have 27 given numbers (clues)..
Structure: 1 (1 pcs.), 4 (2 pcs.), 2 (3 pcs.), 3 (3 pcs.), 7 (3 pcs.), 8 (3 pcs.), 9 (3 pcs.), 5 (4 pcs.), 6 (5 pcs.), ∑27.


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