Comments for bheptpuf.lif

B-heptomino puffer (well known)
An extension of PUFTRAIN, but at these
lengths, the ends need to be hit by
rakes. Even with the rakes, there are
only a finite number of lengths that
don't eventually self-destruct. For a
stable dirty puffer, see LINEPUF.
Xref: bhepto linepuf puftrain rake

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