## {4,6}, square 1R2 + square 1F
h2.
angleunit(pi/3)
# the line below lets us specify internal angles
angleofs(pi)
distunit(edge(4,6))
unittile(1,1,1,1)
unittile(1,1,1,1)
# the Conway notation
conway("(0)(1 0')(2)(3 0')(1')[2' 3']")
sublines(1)