C312312111133131121333133313113313331333133313331333133313331311331333132222321   >>    C31231211113313112133313331311331333133313331333133313331333131133133313222232   <<    C312312111133131121333133313113313331333133313331333133313331311331333132222323   >>      C312312111133131121333133313113313331333133313331333133313331311331333132222322   >>