C111113331333132322331333133313331311331313311211113313113311311   >>    C11111333133313232233133313331333131133131331121111331311331131   <<    C111113331333132322331333133313331311331313311211113313113311313   >>      C111113331333132322331333133313331311331313311211113313113311312   >>