C13223313311212111133133313331333133313232233133313332212312111   >>    C1322331331121211113313331333133313331323223313331333221231211   <<    C13223313311212111133133313331333133313232233133313332212312113   >>      C13223313311212111133133313331333133313232233133313332212312112   >>