Weekly Extreme Sudoku Competition for Feb 24 to Mar 1

Number 75, Extreme
by Crosswords Ltd. October 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 8      
  2   7   9   1  
    1           4
  5 7 6       9  
2       8       1
  1       7 5 4  
5           4    
  9   5   6   3  
      4 7