Weekly Extreme Sudoku Competition for Jan 12 to Jan 18

Number 956, Extreme
by Crosswords Ltd. February 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
    1     4      
4       8   2    
6 9       3      
9           6   8
      5   9      
2   3           4
          7 5 6  
    6   4       7
      1     3