C22213331333133313112331323133313331333133313233211113313232222331   >>    C2221333133313331311233132313331333133313331323321111331323222233   <<    C22213331333133313112331323133313331333133313233211113313232222333   >>      C22213331333133313112331323133313331333133313233211113313232222332   >>