Sudoku #m740

Sudoku game, level: Medium #740. This Sudoku have 26 given numbers (clues)..
Structure: 4 (2 pcs.), 5 (2 pcs.), 6 (2 pcs.), 1 (3 pcs.), 2 (3 pcs.), 3 (3 pcs.), 7 (3 pcs.), 8 (4 pcs.), 9 (4 pcs.), ∑26.


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