Weekly Extreme Killer Sudoku Competition for Dec 13 to Dec 19

Number 743, Extreme
by Crosswords Ltd. April 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
9
11
12
 
12
 
20
 
 
 
 
14
 
 
16
9
 
 
9
 
11
18
 
 
 
21
 
15
 
 
 
 
24
12
 
 
 
12
 
 
 
 
 
 
19
20
 
 
 
14
15
 
 
 
 
 
19
 
 
 
 
5
 
19
 
 
 
15
4
 
13
9
13
 
 
 
 
15