Weekly Extreme Sudoku Competition for Oct 26 to Nov 1

Number 423, Extreme
by Crosswords Ltd. December 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
9   7           1
  8     1   4    
1 6 4           2
  5   8   1   4  
                 
  7   9   5   1  
              5 9
    8   7     2  
2           1   6