Weekly Extreme Sudoku Competition for May 15 to May 21

Number 243, Extreme
by Crosswords Ltd. December 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 6      
    1       2   4
  3   8       9  
        8 2      
7   8   5   1   6
      3 6        
  6       5   8  
8   2       5    
    7   3