Weekly Extreme Killer Sudoku Competition for Feb 15 to Feb 21

Number 439, Extreme
by Crosswords Ltd. January 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
 
6
10
 
10
 
10
 
16
 
 
12
19
 
 
11
 
 
17
15
 
 
15
 
 
19
 
 
 
 
13
20
10
 
 
12
15
16
 
 
 
 
 
 
 
 
 
 
 
12
 
15
 
 
20
 
 
6
 
 
 
6
7
 
24
 
 
 
20
 
 
8
 
6
 
11
 
 
11