## {3,7}, triangle 1A + triangle 1F, solution 1
h2.
angleunit(2*pi/7)
# the line below lets us specify internal angles
angleofs(pi)
distunit(edge(3,7))
unittile(1,1,1)
unittile(1,1,1)
unittile(1,1,1)
# the Conway notation
conway("(0)(1 0')(2 0'')(1' 2')(1'' 2'')")
sublines(1)