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