C111113331333132322331333133313331311331313311211113313223132313111   >>    C11111333133313232233133313331333131133131331121111331322313231311   <<    C111113331333132322331333133313331311331313311211113313223132313113   >>      C111113331333132322331333133313331311331313311211113313223132313112   >>