Sudoku #x324

Sudoku game, level: Expert #324. This Sudoku have 30 given numbers (clues)..
Structure: 1 (1 pcs.), 6 (1 pcs.), 3 (3 pcs.), 7 (3 pcs.), 8 (3 pcs.), 2 (4 pcs.), 9 (4 pcs.), 5 (5 pcs.), 4 (6 pcs.), ∑30.


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7
4
8
9
9
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7
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8
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9
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2
8
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5
1
9
2
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