Weekly Extreme Sudoku Competition for Feb 4 to Feb 10

Number 907, 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
      4   2      
  2       9      
5 7     1     6 9
            5   1
6 1           3 4
4   7       6    
9 8     7     4 5
      3       1  
      9   5