#GLF 1.0
#D B-heptomino
#D A somewhat vigorous, commonly seen bit of fluff which lends
#D to Life's growth tendencies.
#D
#D This piece is used in:
#D .   Puffer Trains: Classic, Bhepto Puffer
#D .   Rakes: 1-3
#D .   Glider Guns: Period 46, Bi-gun, Gunstars
#D .   Oscillators: B-track, and the p46, p54, and p100 shuttles in
#D .      Period 24-50 and Period 52-144
#D .   And in many other patterns.
x = -1, y = -1, width = 4, height = 3
bo$3o$oboo!
