C13223313311212111133133313331333132313331333133313232332313121   >>    C1322331331121211113313331333133313231333133313331323233231312   <<    C13223313311212111133133313331333132313331333133313232332313123   >>      C13223313311212111133133313331333132313331333133313232332313122   >>