Weekly Extreme Sudoku Competition for Apr 14 to Apr 20

Number 656, Extreme
by Crosswords Ltd. February 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     5
7 6     2     1  
  9 8         7  
    2 3          
  4   6   5   2  
          4 7   1
  7         1 5  
  8     3       4
1     9