Weekly Extreme Sudoku Competition for Jun 7 to Jun 13

Number 142, 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
  8 4 9     6 1  
      6     9    
  6           8 7
  9   7     5    
        4        
    3     8   7  
7 4           3  
    5     1      
  1 9     6 7 2