Sudoku #h769

Sudoku game, level: Hard #769. This Sudoku have 25 given numbers (clues)..
Structure: 7 (1 pcs.), 6 (1 pcs.), 9 (1 pcs.), 2 (3 pcs.), 5 (3 pcs.), 8 (3 pcs.), 1 (4 pcs.), 3 (4 pcs.), 4 (5 pcs.), ∑25.


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