Weekly Extreme Sudoku Competition for Jul 9 to Jul 15

Number 564, Extreme
by Crosswords Ltd. January 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
  8 7 9   3      
6       8        
4             3 6
    3       9   1
  6           2  
8   4       6    
  4             5
      6 2       7
      7   1 3 8