C22213331333133313112331323133313331333133313232233112331333133311211   >>    C2221333133313331311233132313331333133313331323223311233133313331121   <<    C22213331333133313112331323133313331333133313232233112331333133311213   >>      C22213331333133313112331323133313331333133313232233112331333133311212   >>