Weekly Extreme Sudoku Competition for Feb 15 to Feb 21

Number 439, Extreme
by Crosswords Ltd. August 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
    6         9  
8       5     2  
      6   4   3 8
    3            
  8   3 6 9   5  
            7    
9 1   7   5      
  6     1       4
7           5