Sudoku #x380

Sudoku game, level: Expert #380. This Sudoku have 25 given numbers (clues)..
Structure: 2 (2 pcs.), 5 (2 pcs.), 6 (2 pcs.), 1 (3 pcs.), 4 (3 pcs.), 7 (3 pcs.), 8 (3 pcs.), 9 (3 pcs.), 3 (4 pcs.), ∑25.


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