Sudoku #h743

Sudoku game, level: Hard #743. This Sudoku have 28 given numbers (clues)..
Structure: 9 (0 pcs.), 6 (3 pcs.), 7 (3 pcs.), 1 (3 pcs.), 5 (3 pcs.), 4 (3 pcs.), 3 (3 pcs.), 2 (5 pcs.), 8 (5 pcs.), ∑28.


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7
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8
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