Sudoku #m281

Sudoku game, level: Medium #281. This Sudoku have 26 given numbers (clues)..
Structure: 1 (2 pcs.), 4 (2 pcs.), 7 (2 pcs.), 8 (2 pcs.), 5 (3 pcs.), 9 (3 pcs.), 2 (4 pcs.), 3 (4 pcs.), 6 (4 pcs.), ∑26.


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