C22213331333133313112331323133313331333131111121111331333112211212111   >>    C2221333133313331311233132313331333133313111112111133133311221121211   <<    C22213331333133313112331323133313331333131111121111331333112211212113   >>      C22213331333133313112331323133313331333131111121111331333112211212112   >>