C13223313311212111133133313331333131212111113331333131321123121   >>    C1322331331121211113313331333133313121211111333133313132112312   <<    C13223313311212111133133313331333131212111113331333131321123123   >>      C13223313311212111133133313331333131212111113331333131321123122   >>