Sudoku #h39

Sudoku game, level: Hard #39. This Sudoku have 25 given numbers (clues)..
Structure: 9 (1 pcs.), 4 (2 pcs.), 5 (2 pcs.), 8 (2 pcs.), 3 (3 pcs.), 7 (3 pcs.), 1 (4 pcs.), 2 (4 pcs.), 6 (4 pcs.), ∑25.


Current Time 0:0
Best Time: -:-
1  
2  
3  
4  
5  
6  
7  
8  
9  
DEL  
1  
2  
3  
4  
5  
6  
7  
8  
9  
DEL  
7
5
1
6
1
4
2
8
2
9
2
6
7
3
1
8
6
1
2
5
3
4
3
6
7
Without keyboard:
Check Sudoku rules:
Show/Hide notes:
Highlight:
Restart:
Auto Fill notes:
HINT:
Compare to result:
Show Result: