## {4,4}, tromino 1F + tromino 1F, solution 28
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 4)(1)(2 3)(5 0')(6 5')(7 1')(2' 4')(3')(6' 7')")
sublines(1)