Sudoku #h303

Sudoku game, level: Hard #303. This Sudoku have 24 given numbers (clues)..
Structure: 7 (1 pcs.), 4 (1 pcs.), 3 (2 pcs.), 2 (2 pcs.), 9 (3 pcs.), 1 (3 pcs.), 8 (3 pcs.), 5 (4 pcs.), 6 (5 pcs.), ∑24.


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6
5
9
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6
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8
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7
6
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3
9
8
5
8
3
2
6
6
5
9
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