Weekly Extreme Killer Sudoku Competition for Jun 26 to Jul 2

Number 510, Extreme
by Crosswords Ltd. June puzzle packs Now Out!. Thanks for supporting our site.
All entries must be in by the end of Saturday, Jul 2 23:59 EST, USA

1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
15
 
 
9
16
 
20
 
15
16
11
 
 
 
14
 
 
 
 
 
5
 
29
 
6
26
 
10
9
 
19
 
 
 
 
 
 
21
 
 
 
14
 
 
11
 
 
6
 
 
 
10
 
 
12
 
 
7
 
11
 
20
 
 
24
 
 
14
 
12
 
 
 
 
 
17
 
 
6