Weekly Extreme Killer Sudoku Competition for Oct 15 to Oct 21

Number 578, Extreme
by Crosswords Ltd. March 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
6
 
12
 
17
14
8
 
18
16
8
 
 
 
 
 
 
 
 
18
16
 
 
 
24
11
 
 
 
 
9
25
 
 
8
 
21
 
13
 
 
11
 
21
 
 
 
 
 
 
 
 
 
20
9
 
 
24
6
 
 
 
 
12
 
18
 
12
 
13
 
 
 
 
 
 
 
7
 
8