## {3,6}, triangle 1F + triamond 1F, solution 21
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 0')(1 2')(2 1')(3' 4')")
sublines(1)