Weekly Extreme Sudoku Competition for Jul 31 to Aug 6

Number 828, 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
9     6   4      
8               2
  7 6       1    
  3     7     1  
  6       1   5  
  8     6     7  
    1       3 9  
7                
      4   2     5