## {4,5}, tromino 1S, solution 2, nonorientable
h2.
angleunit(2*pi/5)
# the line below lets us specify internal angles
angleofs(pi)
distunit(edge(4,5))
unittile(1,1,2,2,1,1,2,2)
# the Conway notation
conway("(0 1)[2 3](4 5)[6 7]")
sublines(1)