Sudoku #x631

Sudoku game, level: Expert #631. This Sudoku have 27 given numbers (clues)..
Structure: 9 (1 pcs.), 3 (1 pcs.), 5 (2 pcs.), 4 (3 pcs.), 6 (3 pcs.), 8 (3 pcs.), 1 (4 pcs.), 7 (4 pcs.), 2 (6 pcs.), ∑27.


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