Weekly Extreme Sudoku Competition for Aug 27 to Sep 2

Number 571, 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
3             8  
        9     5  
      1   4   6  
4         5      
    6   1   8    
7     9   6     3
  7   6   2      
  2              
  4           3 7