Weekly Extreme Sudoku Competition for Jun 30 to Jul 6

Number 667, 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
              9 7
4           8    
  8 6   5 1 4    
3     7   5   2 1
                 
6 1   4   3      
    5 1 3   9 7  
    3           5
1 7