Weekly Extreme Killer Sudoku Competition for May 17 to May 23

Number 452, Extreme
by Crosswords Ltd. May puzzle packs Now Out!. Thanks for supporting our site.
All entries must be in by the end of Saturday, May 23 23:59 EST, USA

1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
5
11
11
 
11
 
10
22
 
 
 
14
 
 
17
 
 
 
17
13
8
 
 
 
16
 
14
 
 
8
 
22
 
 
 
 
19
10
 
 
 
21
 
 
 
 
 
20
 
 
9
 
6
11
 
 
 
13
 
10
 
 
 
15
 
9
 
22
 
 
6
16
 
 
 
13
 
6
 
 
 

You have selected colour for printing.
You may have to go into internet options and tick the box to allow print backgrounds to allow printing in colour