Weekly Extreme Sudoku Competition for Jul 5 to Jul 11

Number 459, 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               6
      2   6   3  
  7     1        
7       9   1    
  3   1   8   4  
    1   2   8   3
9       8     7  
  8   7   2      
3               2