C312312111133131121333133313113313331333133313331333133313331333133313222221321   >>    C31231211113313112133313331311331333133313331333133313331333133313331322222132   <<    C312312111133131121333133313113313331333133313331333133313331333133313222221323   >>      C312312111133131121333133313113313331333133313331333133313331333133313222221322   >>