Sudoku #x71

Sudoku game, level: Expert #71. This Sudoku have 29 given numbers (clues)..
Structure: 1 (1 pcs.), 7 (1 pcs.), 6 (3 pcs.), 4 (3 pcs.), 9 (3 pcs.), 3 (3 pcs.), 8 (5 pcs.), 5 (5 pcs.), 2 (5 pcs.), ∑29.


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