Sudoku #h483

Sudoku game, level: Hard #483. This Sudoku have 30 given numbers (clues)..
Structure: 1 (2 pcs.), 3 (2 pcs.), 4 (2 pcs.), 7 (2 pcs.), 8 (3 pcs.), 9 (4 pcs.), 2 (5 pcs.), 5 (5 pcs.), 6 (5 pcs.), ∑30.


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