## {4,4}, pentomino 9 (V), solution 2
e2.
angleunit(pi/2)
# the line below lets us specify internal angles
angleofs(pi)
unittile(1,1,2,2,1,2,2,1,1,2,3,2)
# the Conway notation
conway("(0 1)(2 7)(3 6)(4 5)(8 11)(9 10)")
sublines(1)