Sudoku #x853

Sudoku game, level: Expert #853. This Sudoku have 21 given numbers (clues)..
Structure: 9 (1 pcs.), 7 (1 pcs.), 1 (2 pcs.), 6 (2 pcs.), 8 (2 pcs.), 3 (3 pcs.), 4 (3 pcs.), 5 (3 pcs.), 2 (4 pcs.), ∑21.


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