Weekly Extreme Sudoku Competition for Jun 11 to Jun 17

Number 873, 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
5   8   2   7   9
      3       6  
            8 5  
9 5       1      
    1 8   9 4    
      4       1 6
  8 9            
  4       3      
7   5       1   8