Sudoku #e509

Sudoku game, level: Easy #509. This Sudoku have 30 given numbers (clues)..
Structure: 2 (2 pcs.), 7 (3 pcs.), 6 (3 pcs.), 5 (3 pcs.), 3 (3 pcs.), 9 (4 pcs.), 8 (4 pcs.), 1 (4 pcs.), 4 (4 pcs.), ∑30.


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