Sudoku #x292

Sudoku game, level: Expert #292. This Sudoku have 30 given numbers (clues)..
Structure: 1 (2 pcs.), 4 (2 pcs.), 7 (2 pcs.), 5 (3 pcs.), 6 (3 pcs.), 8 (4 pcs.), 9 (4 pcs.), 2 (5 pcs.), 3 (5 pcs.), ∑30.


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