#Life 1.05
#D Diagonal sawtooth with expansion factor 4
#D Population is unbounded but does not tend to infinity. Its graph
#D is a sawtooth function with ever-increasing teeth.
#D
#D A p960 gun sends gliders southwest. Some are deleted; the others
#D reflect off the back of a Cordership. Each returning glider
#D deletes 2 outgoing ones.
#D
#D Note the use of an in-line inverter found by David Bell.
#D This was built by David Bell 8/29/92
#D (header written by Dean Hickerson)
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