C13223313311212111133133313331333131212111113331333133311221121121   >>    C1322331331121211113313331333133313121211111333133313331122112112   <<    C13223313311212111133133313331333131212111113331333133311221121123   >>      C13223313311212111133133313331333131212111113331333133311221121122   >>