C312312111133131121333133313113313331333133313331333133112111113331322121   >>    C31231211113313112133313331311331333133313331333133313311211111333132212   <<    C312312111133131121333133313113313331333133313331333133112111113331322123   >>      C312312111133131121333133313113313331333133313331333133112111113331322122   >>