C111113331333132322331333133313331311331311211312111133133313121312121   >>    C11111333133313232233133313331333131133131121131211113313331312131212   <<    C111113331333132322331333133313331311331311211312111133133313121312123   >>      C111113331333132322331333133313331311331311211312111133133313121312122   >>