Weekly Extreme Sudoku Competition for Feb 5 to Feb 11

Number 855, 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
  7   1       3  
    3       9    
  9           6  
      8   5 6    
3     2   7     8
    1     6      
  4           9  
    8       2    
  5   6   1   4