Sudoku #h626

Sudoku game, level: Hard #626. This Sudoku have 25 given numbers (clues)..
Structure: 3 (2 pcs.), 5 (2 pcs.), 6 (2 pcs.), 9 (2 pcs.), 1 (3 pcs.), 7 (3 pcs.), 8 (3 pcs.), 2 (4 pcs.), 4 (4 pcs.), ∑25.


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4
8
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7
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6
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8
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4
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4
7
9
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8
9
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5
7
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