Sudoku #m809

Sudoku game, level: Medium #809. This Sudoku have 27 given numbers (clues)..
Structure: 3 (1 pcs.), 2 (2 pcs.), 4 (2 pcs.), 7 (2 pcs.), 6 (3 pcs.), 8 (3 pcs.), 5 (4 pcs.), 1 (5 pcs.), 9 (5 pcs.), ∑27.


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