## {3,6}, triangle 1F + triamond 1F, solution 18
e2.
angleunit(pi/3)
# the line below lets us specify internal angles
angleofs(pi)
unittile(1,1,1)
unittile(1,2,2,1,3)
# the Conway notation
conway("[0 1](2 1')(0' 2')[3' 4']")
sublines(1)