david sharp wrote:
> 
> Here is one repeating 3d Life pattern, using the rule
>  '5,7,4,7'
> (A live cell stays alive if it has from 5 through 7 live
> neighbors and a dead cell comes alive if it has from
> 4 through 7 live neighbors)
> 
> The initial array has a live cell at the center and one
> at each of the six faces of the center cell.

What determines the colour? The number of live neighbours?
Do the dead ones leave a "ghost" behind?

/Ib

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