## {4,4}, domino 1F + tromino 1F, solution 15
e2.
angleunit(pi/2)
# the line below lets us specify internal angles
angleofs(pi)
unittile(1,1,2,1,1,2)
unittile(1,1,2,2,1,1,2,2)
# the Conway notation
conway("(0 3)[1 2](4 1')(5 2')(0' 3')(4' 7')(5')(6')")
sublines(1)