Period-44 MWSS gun

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Period-44 MWSS gun
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Pattern type Gun
Number of cells 155
Bounding box 50×40
Period 44
Barrels 1
Discovered by Dietrich Leithner
Year of discovery 1997

Period-44 MWSS gun is a gun discovered by Dieter Leithner in April 1997, in a somewhat larger form. This was the smallest known gliderless MWSS gun until the construction of the p46 gliderless MWSS gun based on Tanner's p46 in 2017.

The p44 MWSS gun is based on the p44 pi-heptomino hassler discovered by David Buckingham in early 1992, shown here in an improved form found in January 2005 by Jason Summers using a new larger but thinner p4 toad-sucker sparker by Nicolay Beluchenko. A glider shape appears in this gun for three consecutive generations, but always as part of a larger cluster, so even a purist would regard this gun as gliderless.

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