C13223313311212111133133313331312111133133313223113313233232231   >>    C1322331331121211113313331333131211113313331322311331323323223   <<    C13223313311212111133133313331312111133133313223113313233232233   >>      C13223313311212111133133313331312111133133313223113313233232232   >>