## {4,4}, tromino 1A2 + tromino 1A2, 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)(1)(3 7)(4 6)(5 1')(0' 2')(3' 7')(4' 6')(5')")
sublines(1)