## {3,9}, diamond 1S + diamond 1F, solution 2
h2.
angleunit(2*pi/9)
# the line below lets us specify internal angles
angleofs(pi)
distunit(edge(3,9))
unittile(1,2,1,2)
unittile(1,2,1,2)
unittile(1,2,1,2)
# the Conway notation
conway("(0 1')(1 0'')(2 1')(3 0'')(0' 2')(1'' 3'')(3')(2'')")
sublines(1)