## {4,5}, square 1S2b + domino 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(1,1,2,1,1,2)
# the Conway notation
conway("(0 0')(1 2')(2 0')(3 2')(1' 4')(3' 5')")
sublines(1)