## {4,7}, domino 1F, solution 3
h2.
angleunit(2*pi/7)
# the line below lets us specify internal angles
angleofs(pi)
distunit(edge(4,7))
unittile(1,1,2,1,1,2)
# the Conway notation
conway("(0)(1)[2 5](3 4)")
sublines(1)