Sudoku #x945

Sudoku game, level: Expert #945. This Sudoku have 30 given numbers (clues)..
Structure: 6 (2 pcs.), 3 (2 pcs.), 9 (3 pcs.), 1 (3 pcs.), 4 (3 pcs.), 8 (4 pcs.), 5 (4 pcs.), 2 (4 pcs.), 7 (5 pcs.), ∑30.


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7
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4
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9
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5
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6
5
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