Weekly Extreme Sudoku Competition for Jan 24 to Jan 30

Number 175, 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
              2  
9       6        
8     7   1 3   4
  9         2    
  2 7       4 5  
    6     8   7  
    5 4   6     7
        1        
  7 3