Sudoku #x617

Sudoku game, level: Expert #617. This Sudoku have 28 given numbers (clues)..
Structure: 6 (1 pcs.), 7 (3 pcs.), 9 (3 pcs.), 8 (3 pcs.), 5 (3 pcs.), 3 (3 pcs.), 1 (3 pcs.), 2 (4 pcs.), 4 (5 pcs.), ∑28.


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