Sudoku #x842

Sudoku game, level: Expert #842. This Sudoku have 27 given numbers (clues)..
Structure: 1 (1 pcs.), 4 (1 pcs.), 3 (2 pcs.), 7 (3 pcs.), 9 (3 pcs.), 8 (3 pcs.), 6 (4 pcs.), 5 (5 pcs.), 2 (5 pcs.), ∑27.


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