C13223313311212111133133313331323133313331323131133133313231333133313132113121   >>    C1322331331121211113313331333132313331333132313113313331323133313331313211312   <<    C13223313311212111133133313331323133313331323131133133313231333133313132113123   >>      C13223313311212111133133313331323133313331323131133133313231333133313132113122   >>