Weekly Extreme Sudoku Competition for Jun 19 to Jun 25

Number 509, Extreme
by Crosswords Ltd. January 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                
  3   1       5  
    2   3   7   8
    3     5      
2   4       1   9
      8     5    
3   5   8   2    
  2       6   7  
1     5