## {4,4}, tromino 1S + tromino 1S, solution 2
e2.
angleunit(pi/2)
# the line below lets us specify internal angles
angleofs(pi)
unittile(1,1,2,2,1,1,2,2)
unittile(1,1,2,2,1,1,2,2)
# the Conway notation
conway("(0 2')(2 0')(4 6')(6 4')(1)(5)(3 3')(7 7')(1')(5')")
sublines(1)