Sudoku #m168

Sudoku game, level: Medium #168. This Sudoku have 27 given numbers (clues)..
Structure: 1 (2 pcs.), 9 (2 pcs.), 2 (2 pcs.), 7 (3 pcs.), 6 (3 pcs.), 4 (3 pcs.), 8 (4 pcs.), 5 (4 pcs.), 3 (4 pcs.), ∑27.


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9
5
3
6
8
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6
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1
9
8
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2
4
7
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3
5
7
5
3
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