## {4,5}, square 1R4 + 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)
unittile(1,1,1,1)
# the Conway notation
conway("(0 0')(0'' 2')(1 0')(3'' 2')(2 0')(2'' 2')(3 0')(1'' 2')(1' 4')(3')(5')")
sublines(1)