Weekly Extreme Killer Sudoku Competition for Dec 25 to Dec 31

Number 275, 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
16
 
 
 
18
 
5
5
15
30
 
16
 
 
 
 
 
 
 
 
15
7
 
 
11
 
12
10
 
 
 
21
18
 
11
 
20
 
16
 
 
 
 
 
 
8
 
 
 
 
17
 
14
 
 
10
 
12
 
 
 
17
 
5
6
17
13
19
 
 
 
 
 
 
 
 
 
21