Weekly Extreme Sudoku Competition for Oct 15 to Oct 21

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