Sudoku #m728

Sudoku game, level: Medium #728. This Sudoku have 26 given numbers (clues)..
Structure: 3 (1 pcs.), 2 (2 pcs.), 5 (2 pcs.), 1 (3 pcs.), 4 (3 pcs.), 8 (3 pcs.), 6 (4 pcs.), 7 (4 pcs.), 9 (4 pcs.), ∑26.


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