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