Weekly Extreme Killer Sudoku Competition for Jun 20 to Jun 26

Number 770, Extreme
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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
14
18
11
 
 
7
11
 
20
 
 
10
17
 
 
 
 
 
 
 
 
13
17
7
14
 
 
14
9
 
 
 
 
17
 
 
 
 
10
 
 
12
 
10
5
12
 
 
14
 
10
11
 
 
20
 
 
 
 
 
 
19
13
11
 
14
7
15
 
 
 
 
 
 
 
 
23