## {4,4}, domino 1F + tromino 2F, solution 20
e2.
angleunit(pi/2)
# the line below lets us specify internal angles
angleofs(pi)
unittile(1,1,2,1,1,2)
unittile(1,1,2,1,2,1,1,3)
# the Conway notation
conway("(0)(1 6')(2 3)(4 0')(5 7')(1' 5')(2' 3')(4')")
sublines(1)