Sudoku #x131

Sudoku game, level: Expert #131. This Sudoku have 29 given numbers (clues)..
Structure: 6 (0 pcs.), 8 (2 pcs.), 9 (2 pcs.), 2 (3 pcs.), 4 (3 pcs.), 5 (4 pcs.), 3 (5 pcs.), 1 (5 pcs.), 7 (5 pcs.), ∑29.


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7
5
8
1
4
1
9
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7
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7
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8
5
3
7
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5
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5
1
3
7
9
3
1
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