## {4,5}, square 1R2 + domino 1F, solution 7
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 4'](2 0')[3 4'][1' 3'](2' 5')")
sublines(1)