#C simple one-time switch:  after a RESET signal from the right,
#C the first glider from the southwest will trigger an output signal
#C to the south; any following gliders will be harmlessly absorbed --
#C or removing the tub-with-tail eater would allow them to continue.
#C Based on a stable reflector built by Paul Callahan, 30 April 1997
x = 112, y = 73, rule = B3/S23
60boo12bo$60bo11b3o$58bobo10bo$57bobo10bobo$53boo3bo12bo$53boo$37bo$
37b3o29boo$40bo28boo$39boo$$70bo8bobo4bobobo4bo4bobobobbobobo$83bo9bo
3bo$68bo10bo6bo13bo8bo$52bo30bo9bo$52b3o11bobbobobobo3bobo4bobo6bo4bob
o6bo$52bobo42bo$54bo13bo10bobbo3bo13bo8bo$35boo56bo3bo$35boo33bo8bo3bo
bbobobo4bo4bobobo4bo5$53boo$53bobo$55bo$55boo$$50boo$50boo5$36boo$36bo
bo9boo$37bo10bobo$50bo$50boo$32boboo$32boobo$$41boo$41boo4$16b3o$18bo$
17bo34bo$50b3o$49bo$49boo$$41bo$$41bo$$41bo10bo4bo3bobbobobo$37bo7bo4b
o3bo$41bo15bo3bo4bo$39bo3bo6bo3bo$57bo3bo4bo$3o38bo8bo3bo$bbo54bo3bo4b
o$bo48bo3bo$52bo5bobo5bo3$38boo$37bobbo$38boo!
CB 1,1,1,1