Weekly Extreme Killer Sudoku Competition for Feb 3 to Feb 9

Number 646, Extreme
by Crosswords Ltd. September puzzle packs Now Out!. Thanks for supporting our site.
Future Puzzle - will be submitted on the relevant day

1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
13
 
10
7
16
17
 
12
 
17
 
 
 
 
 
11
 
 
 
18
17
 
11
 
 
24
 
 
 
 
19
 
 
 
 
 
 
 
 
21
 
 
24
20
14
19
 
17
 
 
 
 
 
 
 
 
12
 
 
 
 
 
 
22
 
 
20
 
7
8
11
 
7
 
11