all you do is the math. if a bug show up and ruin all of you proggres or something.. i'm so sorry :(
NOTE -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_- you can use this as a trick to trick your friends! if my answer is wrong, or other there is two possibility : - you not choose from 1 to 9 - a bug :) credits ===================================== all by me :) free to remix
