Weekly Extreme Sudoku Competition for Jan 30 to Feb 5

Number 228, Extreme
by Crosswords Ltd. December 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 1   7  
      6 4        
      8   2   1 6
5   6     7 3    
4               2
    9 2     1   5
  6   4   9      
        6 8      
  4   7 3