C111113331333132322331333133313331311331313311211113313331121111   >>    C11111333133313232233133313331333131133131331121111331333112111   <<    C111113331333132322331333133313331311331313311211113313331121113   >>      C111113331333132322331333133313331311331313311211113313331121112   >>