C13223313311212111133133313331333132313232112313231333131232311   >>    C1322331331121211113313331333133313231323211231323133313123231   <<    C13223313311212111133133313331333132313232112313231333131232313   >>      C13223313311212111133133313331333132313232112313231333131232312   >>