Weekly Extreme Sudoku Competition for May 20 to May 26

Number 609, Extreme
by Crosswords Ltd. November 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 7 3 1      
8         9      
  7     6     9  
5 1     2   7    
                 
    9   8     2 1
  9     7     3  
7     5         2
      1 9 2 8