A beginner's guide to Sudoku

It seems that these days everyone is enjoying the game of Sudoko wherever they are. The Sudoku puzzle is ideal for whenever you have a few spare minutes and want to indulge in a little bit of thinking power. Sudoku sometimes spelled "Su Doku", is a puzzle that originated in Japan. The puzzle is known as a "placement" puzzle. In the United States Sudoku is sometimes called the "Number Place" puzzle.