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