C22213331333133313112331323133313331333133313112331311211332233211   >>    C2221333133313331311233132313331333133313331311233131121133223321   <<    C22213331333133313112331323133313331333133313112331311211332233213   >>      C22213331333133313112331323133313331333133313112331311211332233212   >>