## {4,4}, domino 1F + domino 1F, solution 12
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 1)(2 0')(3 5')(4 2')(5 1')(3' 4')")
sublines(1)