Sudoku #m473

Sudoku game, level: Medium #473. This Sudoku have 27 given numbers (clues)..
Structure: 1 (2 pcs.), 6 (2 pcs.), 2 (3 pcs.), 4 (3 pcs.), 5 (3 pcs.), 7 (3 pcs.), 9 (3 pcs.), 3 (4 pcs.), 8 (4 pcs.), ∑27.


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