Weekly Extreme Sudoku Competition for May 9 to May 15

Number 764, 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
4                
      7 3       8
    5   6 4      
  7 8     9 3    
  2     4     1  
    6 3     2    
      2 7   1    
3       1 6     9
                5