## {3,11}, tetriamond 2, solution 4
h2.
angleunit(2*pi/11)
# the line below lets us specify internal angles
angleofs(pi)
distunit(edge(3,11))
unittile(1,3,1,3,1,3)
# the Conway notation
conway("(0 1)(2 4)(3 5)")
sublines(1)