Daily Killer Sudoku Competition for Jul 4

Number 4478, Tough
101 people took an average of 18 minutes to correctly complete this puzzle

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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
4
12
13
 
 
9
 
13
 
 
 
18
 
19
 
 
5
 
17
15
 
 
7
 
15
 
18
 
 
10
 
36
 
15
 
 
17
12
 
 
 
 
18
 
 
 
 
 
 
 
 
 
12
4
 
11
 
11
 
8
 
 
 
8
 
24
 
 
 
 
11
12
6
 
6
 
19