## {4,5}, square 1R4 + square 1A2
h2.
angleunit(2*pi/5)
# the line below lets us specify internal angles
angleofs(pi)
distunit(edge(4,5))
unittile(1,1,1,1)
unittile(1,1,1,1)
unittile(1,1,1,1)
# the Conway notation
conway("(0 0')(1 0')(2 0')(3 0')(0'' 3')(1'' 3')(2'' 3')(3'' 3')(1' 2')")
sublines(1)