C22213331333133313112331323133313331333133313211232313133313223131   >>    C2221333133313331311233132313331333133313331321123231313331322313   <<    C22213331333133313112331323133313331333133313211232313133313223133   >>      C22213331333133313112331323133313331333133313211232313133313223132   >>