Weekly Extreme Sudoku Competition for Jan 8 to Jan 14

Number 277, 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
      8   5   9 1
    2 4   6      
                 
  5 9       1   6
    1       3   8
8   4       2 5  
                 
      9   4 5    
7 1   2 5 3