Weekly Extreme Sudoku Competition for Jan 28 to Feb 3

Number 906, 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
5     9     8   6
  8           7  
9     6       1  
2   7     3   5  
                 
  3   7     4   1
  5   1   6     4
  6           2  
7   4     2     5