Weekly Extreme Sudoku Competition for Oct 12 to Oct 18

Number 421, Extreme
by Crosswords Ltd. August 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   9      
    9   7   8    
7   6 3   2     5
  7 2           9
1               6
6           7 3  
2     4     6    
    4   5   1    
      1   8