C13223313311212111133133313331333133313232233133313111323112121   >>    C1322331331121211113313331333133313331323223313331311132311212   <<    C13223313311212111133133313331333133313232233133313111323112123   >>      C13223313311212111133133313331333133313232233133313111323112122   >>