What is Sudoku?
The Sudoku puzzle is a Japanese logic game which entered the western world in the last few months and is gaining popularity very fast.

What's so special about this Sudoku puzzle ?
First, the Sudoku puzzle can be anything from ridiculously easy to fiendishly difficult.
Second, it's a puzzle which comprises only of numbers. digits 1 to 9.
You don't need a CGSE in maths to play.
You solve the Sudoko puzzle with reasoning and logic

What are the rules ?
One simple rule...Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 9.

Further information and to play online.