Sudoku #m796

Sudoku game, level: Medium #796. This Sudoku have 23 given numbers (clues)..
Structure: 2 (1 pcs.), 6 (1 pcs.), 1 (3 pcs.), 3 (3 pcs.), 4 (3 pcs.), 5 (3 pcs.), 7 (3 pcs.), 8 (3 pcs.), 9 (3 pcs.), ∑23.


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