Sudoku #b577

Sudoku game, level: Beginner #577. This Sudoku have 27 given numbers (clues)..
Structure: 9 (2 pcs.), 5 (2 pcs.), 7 (3 pcs.), 3 (3 pcs.), 6 (3 pcs.), 1 (3 pcs.), 4 (3 pcs.), 2 (4 pcs.), 8 (4 pcs.), ∑27.


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