Weekly Extreme Sudoku Competition for Jan 10 to Jan 16

Number 173, 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
    1   7   3    
    5   8 6   7  
      5          
1 9             7
  2           6  
4             2 1
          5      
  5   2 4     8 6
    9   1   2