Weekly Extreme Sudoku Competition for Mar 11 to Mar 17

Number 599, 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
7   8     9      
      8          
1     2   3     4
8 4           6 1
                 
9 6 2         5 3
4     3   6     8
  5       1      
      5     6   9