C31321211113313121133133313331333131133133313113313331322331311233313232211   >>    C3132121111331312113313331333133313113313331311331333132233131123331323221   <<    C31321211113313121133133313331333131133133313113313331322331311233313232213   >>      C31321211113313121133133313331333131133133313113313331322331311233313232212   >>