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