C312312111133131121333133313113313331333133112111133132112322332321   >>    C31231211113313112133313331311331333133313311211113313211232233232   <<    C312312111133131121333133313113313331333133112111133132112322332323   >>      C312312111133131121333133313113313331333133112111133132112322332322   >>