Weekly Extreme Sudoku Competition for Jun 23 to Jun 29

Number 666, Extreme
by Crosswords Ltd. February puzzle packs Now Out!. Thanks for supporting our site.
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
          5     4
6       2 1 8    
5       7     9 6
1                
  8 5       6 1  
        5       2
3 2             1
    1 4 6       9
8     5