Queen bee shuttle pair

A queen bee shuttle pair is any arrangement of two queen bee shuttles such that the two beehives created between them are consumed in some way. There are many ways that the two shuttles can be placed, either head-to-head, or else at right angles. The most well-known and useful arrangement results in the Gosper glider gun.

Other arrangements don't create any lasting output, but create large sparks which can perturb objects (especially gliders) in various ways. For example, one arrangement of a queen bee shuttle pair was used in the original unit Life cell as a memory cell. Here an input glider is converted into a block, which remains until it is deleted by a glider on a right-angled path.

<html><div class="rle"><div class="codebox"><div style="display:none;"><code></html>x = 25, y = 27, rule = B3/S23 23bo$22bo$22b3o2$13bo$12bobo$12b2obo$12b2ob2o$12b2obo$2b2o8bobo$bobo9b o4b3o$bo16b3o$2o15bo3bo$16bo5bo$17bo3bo$18b3o8$16b2o$17bo$14b3o$14bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART THUMBSIZE 2 GPS 8 ZOOM 10 HEIGHT 400 LOOP 90 ]]<html></code></div></div><canvas width="200" height="300" style="margin-left:1px;"><noscript></html>
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Below is a p60 Quetzal LWSS gun that shows 5 different queen bee shuttle pair reactions.

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Bottom left: glider to Herschel
Top left: glider to LWSS
Top: A stabilisation for reducing bounding boxes
Top right: a p30 gun that is not the Gosper glider gun
Right: Gosper glider gun
Bottom right: glider to LWSS
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