Sudoku #h420

Sudoku game, level: Hard #420. This Sudoku have 23 given numbers (clues)..
Structure: 1 (1 pcs.), 3 (1 pcs.), 4 (2 pcs.), 9 (2 pcs.), 2 (3 pcs.), 5 (3 pcs.), 7 (3 pcs.), 6 (4 pcs.), 8 (4 pcs.), ∑23.


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