## {4,4}, domino 1F + tromino 1F, solution 21
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 5)(1 2')(2 1')(3 5')(4 3')(0' 6')(4')(7')")
sublines(1)