Sudoku #x7

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


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