Weekly Extreme Sudoku Competition for Jul 22 to Jul 28

Number 618, Extreme
by Crosswords Ltd. November 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
    1 5 4        
  7     8       1
      6       7  
    3 8     2    
5 8           9 6
    4       7    
                 
9       1     3 4
        3 4 6