Weekly Extreme Sudoku Competition for Apr 2 to Apr 8

Number 550, 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
    4 5       2  
  1 2 4     3    
        9     7  
        6 9      
1   3       4   9
      3 2        
        4        
  8 1       5 4  
  9       3 7