## {4,4}, pentomino 6 (W), solution 13
e2.
angleunit(pi/2)
# the line below lets us specify internal angles
angleofs(pi)
unittile(1,1,2,1,3,1,2,1,1,3,1,3)
# the Conway notation
conway("(0 8)(1 6)(2)(3 5)(4)(7)(9 11)(10)")
sublines(1)