C111113331333132322331333133313331311331313311211113313113313131111   >>    C11111333133313232233133313331333131133131331121111331311331313111   <<    C111113331333132322331333133313331311331313311211113313113313131113   >>      C111113331333132322331333133313331311331313311211113313113313131112   >>