Weekly Extreme Sudoku Competition for Oct 4 to Oct 10

Number 472, 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
4     3     1   7
      8   1 3 6 2
      5          
  2       5 6    
              4  
    5 6       2  
          3      
5 7 2            
9   6     2     1