Weekly Extreme Killer Sudoku Competition for Dec 15 to Dec 21

Number 691, Extreme
by Crosswords Ltd. February 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
15
15
 
18
 
5
 
6
 
 
8
 
 
 
22
 
 
14
9
 
16
23
 
9
10
 
 
 
 
 
 
 
 
 
9
8
3
9
31
 
 
 
 
 
 
 
 
12
7
22
 
19
 
14
16
 
 
 
 
 
 
9
 
 
10
 
 
19
 
 
 
16
17
 
8
 
 
 
6