C13223313311212111133133313331333133313232233131131211113322121   >>    C1322331331121211113313331333133313331323223313113121111332212   <<    C13223313311212111133133313331333133313232233131131211113322123   >>      C13223313311212111133133313331333133313232233131131211113322122   >>