x = 37, y = 24, rule = B36/S23 9bo7bo$7boobo6boo$7bo3bo4bobo8boo$7boobo15boobo$bboo5bo17boo$bobo29boo $bo31bobo$oo33bo$35boo4$16bo$15b3o$14booboo$14booboo$15bobo$16bo3$18b oo$18bo$19b3o$21bo! A period 24 glider gun. This is based on three copies of the period 24 shuttle. A glider is also shown where it was just created. No guns have been found which use only two shuttles. Dean Hickerson, 1994