Sudoku #x252

Sudoku game, level: Expert #252. This Sudoku have 29 given numbers (clues)..
Structure: 3 (2 pcs.), 6 (2 pcs.), 8 (2 pcs.), 9 (3 pcs.), 5 (3 pcs.), 4 (4 pcs.), 1 (4 pcs.), 2 (4 pcs.), 7 (5 pcs.), ∑29.


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