C13223313311212111133133313331333132313331333133313231323321111   >>    C1322331331121211113313331333133313231333133313331323132332111   <<    C13223313311212111133133313331333132313331333133313231323321113   >>      C13223313311212111133133313331333132313331333133313231323321112   >>