## {3,11}, tetriamond 1, solution 12
h2.
angleunit(2*pi/11)
# the line below lets us specify internal angles
angleofs(pi)
distunit(edge(3,11))
unittile(1,2,3,1,2,3)
# the Conway notation
conway("(0 1)[2 5][3 4]")
sublines(1)