C13223313311212111133133313331333133313232233133313331333131211332211   >>    C1322331331121211113313331333133313331323223313331333133313121133221   <<    C13223313311212111133133313331333133313232233133313331333131211332213   >>      C13223313311212111133133313331333133313232233133313331333131211332212   >>