C13223313311212111133133313331333133313232233133313331331122231211   >>    C1322331331121211113313331333133313331323223313331333133112223121   <<    C13223313311212111133133313331333133313232233133313331331122231213   >>      C13223313311212111133133313331333133313232233133313331331122231212   >>