Weekly Extreme Sudoku Competition for Jan 25 to Jan 31

Number 436, Extreme
by Crosswords Ltd. January 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
8                
  2     9     5 3
      6   4 2 7  
  5              
    2 8   5 1    
          1   6  
  3 7 9          
    1   7     4  
                8