Frothing puffer

A frothing puffer (or frothing spaceship) is a puffer with an apparently unstable (but in fact stable) back end. It can also refer to a specific puffer discovered by Paul Tooke which lays ten blinkers and two blocks each period.

Frothing puffer
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Pattern type Puffer
Number of cells 175
Bounding box 33×23
Direction Orthogonal
Period 78
Speed c/2
Discovered by Paul Tooke
Year of discovery 2001
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