Weekly Extreme Sudoku Competition for May 5 to May 11

Number 346, 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 7 5       1
    3 2     7    
    6       9 4  
      4       1  
      3 7 8      
  6              
  2 9       5    
    7       1    
1       9 2 4