Sudoku #h148

Sudoku game, level: Hard #148. This Sudoku have 24 given numbers (clues)..
Structure: 9 (1 pcs.), 7 (2 pcs.), 5 (2 pcs.), 8 (3 pcs.), 2 (3 pcs.), 3 (3 pcs.), 6 (3 pcs.), 1 (3 pcs.), 4 (4 pcs.), ∑24.


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