## {4,4}, domino 1S + domino 1S, solution 1
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 2)(3 5)(1 1')(4 4')(0' 2')(3' 5')")
sublines(1)