Sudoku #b16

Sudoku game, level: Beginner #16. This Sudoku have 31 given numbers (clues)..
Structure: 5 (0 pcs.), 1 (3 pcs.), 4 (3 pcs.), 2 (4 pcs.), 3 (4 pcs.), 7 (4 pcs.), 8 (4 pcs.), 9 (4 pcs.), 6 (5 pcs.), ∑31.


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2
1
9
8
4
9
6
3
7
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6
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9
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8
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9
6
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4
2
8
4
7
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