Weekly Extreme Killer Sudoku Competition for Feb 4 to Feb 10

Number 20, Extreme
by Crosswords Ltd. August 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
14
 
 
21
 
 
6
 
15
14
 
17
 
20
12
 
6
 
9
 
 
 
 
 
15
 
13
9
9
10
 
 
 
 
 
 
 
 
15
17
 
 
 
17
11
7
20
 
12
 
5
 
 
 
 
 
 
20
 
22
 
8
 
9
 
 
 
 
19
 
8
 
 
9
 
 
 
 
16