Weekly Extreme Killer Sudoku Competition for Dec 6 to Dec 12

Number 742, Extreme
by Crosswords Ltd. October 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
 
9
 
15
 
9
11
11
 
 
12
 
 
 
 
 
 
11
 
21
10
 
10
13
18
 
16
 
 
13
 
 
 
 
 
 
17
 
 
22
 
11
6
6
 
 
 
18
 
 
 
 
 
9
 
 
 
 
22
 
16
21
 
5
 
14
 
 
 
 
 
 
13
 
10
 
6