## {4,5}, square 1R4 + domino 1R, solution 2
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 3')(2 0')(3 3')[1' 2'][4' 5']")
sublines(1)