Weekly Extreme Sudoku Competition for Jan 17 to Jan 23

Number 174, Extreme
by Crosswords Ltd. November 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
    7 4     3   6
  8         1 7  
    8 6   2     7
      5 9 1      
5     7   4 6    
  5 6         9  
3   1     6 7    
2