C13223313311212111133133313331333133313232233133313331333112133313112121121   >>    C1322331331121211113313331333133313331323223313331333133311213331311212112   <<    C13223313311212111133133313331333133313232233133313331333112133313112121123   >>      C13223313311212111133133313331333133313232233133313331333112133313112121122   >>