Ok, Fred is going to hate me for this, but then I had to provide a jigsaw at some time. :)
The rules are; fill the grid such that every row, column and irregular shaped region contains the digits 1 to 9 without any repetition.
The rules are; fill the grid such that every row, column and irregular shaped region contains the digits 1 to 9 without any repetition.
For Solution click here.