Weekly Extreme Sudoku Competition for Jul 24 to Jul 30

Number 514, 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
2     7 4     9  
  3 6 9 2        
          8      
6   3         7  
  9   6          
  5         4   9
      5          
        6 1 3 4  
  8       9     6