1 These walls behave like the well-known "Conway's Game of Life".
2 They behave like normal walls; however, they may appear or disappear
3 every half-second according to these rules:
5 Cells that are surrounded by 2 or 3 cells are the only cells that survive.
7 Space or dirt that is surrounded by exactly 3 cells grows into new cells.
9 The player(s) is (are) counted as cells!