C111113331333132322331333133313331311331313311211113313223123121   >>    C11111333133313232233133313331333131133131331121111331322312312   <<    C111113331333132322331333133313331311331313311211113313223123123   >>      C111113331333132322331333133313331311331313311211113313223123122   >>