Weekly Extreme Sudoku Competition for Oct 23 to Oct 29

Number 527, Extreme
by Crosswords Ltd. October 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
8       3       2
  1   6 2 5   4  
            1    
6 8         3    
  5   7   2   8  
    9         6 5
    5            
  3   5 7 4      
2       1       3