Sudoku #h905

Sudoku game, level: Hard #905. This Sudoku have 25 given numbers (clues)..
Structure: 5 (1 pcs.), 2 (2 pcs.), 1 (2 pcs.), 8 (3 pcs.), 7 (3 pcs.), 6 (3 pcs.), 3 (3 pcs.), 9 (4 pcs.), 4 (4 pcs.), ∑25.


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