Weekly Extreme Killer Sudoku Competition for Jan 15 to Jan 21

Number 539, 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
17
 
6
6
 
17
16
25
 
12
 
 
8
 
 
 
 
 
 
11
 
 
15
8
 
 
18
 
12
 
27
 
 
10
 
 
14
 
5
 
 
 
 
10
 
16
 
 
14
10
 
3
 
15
 
26
 
 
 
11
9
 
 
16
 
 
13
 
 
13
16
 
 
 
 
 
6