Weekly Extreme Killer Sudoku Competition for May 3 to May 9

Number 137, Extreme
by Crosswords Ltd. November puzzle packs Now Out!. Thanks for supporting our site.
454 people completed this puzzle correctly

1 2 3 4 5 6 7 8 9
A
B
C
D
E
F
G
H
J
3
1
6
9
4
2
8
5
7
2
9
5
8
6
7
4
3
1
4
7
8
5
1
3
6
2
9
6
3
9
7
8
4
5
1
2
5
8
4
2
9
1
3
7
6
1
2
7
3
5
6
9
4
8
7
6
3
4
2
9
1
8
5
8
4
1
6
7
5
2
9
3
9
5
2
1
3
8
7
6
4

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