## {4,5}, square 1S4 + domino 1S
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(1,1,2,1,1,2)
# the Conway notation
conway("(0 1')(1 4')(2 1')(3 4')(0')(2')(3')(5')")
sublines(1)