Weekly Extreme Sudoku Competition for Jul 23 to Jul 29

Number 879, Extreme
by Crosswords Ltd. December 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
      3 2   6    
9             4  
    8     6      
  9     1     6  
4     6   2     9
  1     4     7  
    4 2     8    
  5     9       1
        3 1