Yeah I am not much of theorist myself but BIG fan of Conway's Game of Life since '90's on a 486 DOS machine, possibly in GW Basic, QB4.5 for sure. That's when/where I learned about torus geometry or is it topology to handle the array edges.
724 855 599 923 575 468 400 206 147 564 878 823 652 556 bxor cross forever

