C13223313311212111133133313331333133313232233133313121111331333131133133312111   >>    C1322331331121211113313331333133313331323223313331312111133133313113313331211   <<    C13223313311212111133133313331333133313232233133313121111331333131133133312113   >>      C13223313311212111133133313331333133313232233133313121111331333131133133312112   >>