The Glider
Five cells morph through four shapes, recreating the original one cell away diagonally.
Tick 0
shape 1 of 4 · at its starting place
400 ms/tick
One cycle of four ticks
Same shape as Tick 0, displaced one cell diagonally.
Nothing pushes it. No rule says "move." The motion is a consequence of the four rules alone.
living celltrail: cells it has crossed