Tuesday August 22, 2007

The instructions are simple, even if the puzzle isn't. You must put a number, from 1 to 9, in every box in the grid. However, each number can only appear once in a particular row or column and only once in each 3x3 sub-grid.

We hope you enjoy your weekly puzzles in The Irish Examiner.

Click here for the solution to this week's Medium Su Doku puzzle