Weekly Extreme Killer Sudoku Competition for Oct 29 to Nov 4

Number 580, 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
20
 
 
11
 
8
 
13
 
18
 
11
 
 
14
15
16
 
 
 
9
 
 
 
 
 
 
9
 
18
30
 
5
 
16
5
13
4
 
 
 
16
 
 
 
 
 
6
 
 
 
 
13
 
14
12
 
19
 
15
 
13
 
 
 
 
 
16
 
 
16
 
12
 
9
 
9