Weekly Extreme Killer Sudoku Competition for Dec 30 to Jan 5

Number 641, 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
3
13
22
 
 
15
 
 
 
 
 
13
 
12
 
 
16
 
15
20
 
7
15
 
9
15
9
 
 
 
 
19
 
 
 
 
 
7
5
 
 
15
 
 
10
10
 
16
19
 
10
12
 
 
 
 
 
 
 
 
13
 
 
13
 
11
 
 
 
 
12
13
21
 
 
 
15