Weekly Extreme Sudoku Competition for May 3 to May 9

Number 450, 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
  1     9     8 5
3                
    5 6   3      
        3 6 1    
  8           6  
      2 1 5      
    7 4   2 9    
                4
9 2     7     3