Weekly Extreme Sudoku Competition for Oct 5 to Oct 11

Number 420, 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
    5 7   2      
6 7     4        
9   8            
    9   3 1      
5 4             1
    3   8   4    
            6   4
        2     8 7
      6   5 1