Weekly Extreme Sudoku Competition for Nov 6 to Nov 12

Number 529, Extreme
by Crosswords Ltd. January 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   6        
    9 5 7   6    
  4           9  
  5     9        
    4 3   7 1    
              8  
  2   4       1  
    5   1 9 7    
    6   2   3