Side by Side (Game) for iOS

You enjoy Sudoku, but youre up to something new? Here is what you are looking for!Side by Side is a fascinating puzzle based on a few very simple rules.In a 6x6 grid, you start off with a few given numbers.It is your job to fill in all of the grids boxes with any of the numbers 1 to 4 or an X. A number indicates how many of the directly adjacent boxes also contain a number (i.e., not an X). Further, two directly adjacent numbers must not be identical.Features:- 300 puzzles- three difficulty levels- game play hints- convenient undo feature