Sudoku #x861

Sudoku game, level: Expert #861. This Sudoku have 25 given numbers (clues)..
Structure: 7 (0 pcs.), 4 (2 pcs.), 5 (2 pcs.), 8 (3 pcs.), 2 (3 pcs.), 6 (3 pcs.), 3 (3 pcs.), 9 (4 pcs.), 1 (5 pcs.), ∑25.


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5
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9
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8
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6
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8
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5
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3
1
9
8
9
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1
6
9
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