Varieties of Sudoku The Craze Just Got Crazier

Do you keep in mind when <a href="http://starplaza.com/hotel/">merrillville indiana hotels</a> there was only a single variety of sudoku puzzle? It was a simple (or at times not so basic) 3x3 grid using only the numbers 1 to 9. Now, as the sudoku craze is sweeping the world, new sudoku varieties a