C13223313311212111133133313331333133313232233133313331333112133313221   >>    C1322331331121211113313331333133313331323223313331333133311213331322   <<    C13223313311212111133133313331333133313232233133313331333112133313223   >>      C13223313311212111133133313331333133313232233133313331333112133313222   >>