C312312111133131121333133313113313331333133313331333131322311321   >>    C31231211113313112133313331311331333133313331333133313132231132   <<    C312312111133131121333133313113313331333133313331333131322311323   >>      C312312111133131121333133313113313331333133313331333131322311322   >>