## {4,6}, square 1R4 + domino 1F, solution 12
h2.
angleunit(pi/3)
# the line below lets us specify internal angles
angleofs(pi)
distunit(edge(4,6))
unittile(1,1,1,1)
unittile(1,1,2,1,1,2)
# the Conway notation
conway("(0 0')(1 0')(2 0')(3 0')[1' 5'](2' 4')(3')")
sublines(1)