Weekly Extreme Sudoku Competition for Apr 14 to Apr 20

Number 343, 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   6 7     3  
7               1
    8 1     4    
    6   2        
      8   1      
        5   2    
    3 9   5 7    
1               4
  7     3     6