Weekly Extreme Sudoku Competition for Aug 28 to Sep 3

Number 519, Extreme
by Crosswords Ltd. March 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 4     7    
  5       7   9  
          8      
  1         5 6 3
        4        
7 2 6         8  
      2          
  9   6     2 7  
    4   8 9 6