Weekly Extreme Sudoku Competition for Jun 14 to Jun 20

Number 456, 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
  1 4 2     6    
9   6       4   2
        6        
      5     3    
  2   3 1 9   8  
    5     8      
        3        
7   3       8   4
    9     2 1 3