111111000
aaabbb
q1, a -> q2, #, R
q2, a -> q2, a, R
q2, b -> q2, b, R
q2, # -> q3, #, L
q3, b -> q4, #, L
q4, a -> q4, a, L
q4, b -> q4, b, L
q4, # -> q1, #, R
q1, # -> qf, #, R
Curious Cobra