Sudoku #b831

Sudoku game, level: Beginner #831. This Sudoku have 27 given numbers (clues)..
Structure: 7 (2 pcs.), 1 (2 pcs.), 8 (2 pcs.), 2 (3 pcs.), 3 (3 pcs.), 5 (3 pcs.), 4 (4 pcs.), 6 (4 pcs.), 9 (4 pcs.), ∑27.


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