## {4,4}, domino 1S + domino 1R
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)
unittile(1,1,2,1,1,2)
# the Conway notation
conway("(0 1')(3 4')(2 4'')(5 1'')(1)(4)(0' 5'')(5' 0'')(2' 3'')(3' 2'')")
sublines(1)