C22213331333133313112331323133313331333133313211232313331333232132221   >>    C2221333133313331311233132313331333133313331321123231333133323213222   <<    C22213331333133313112331323133313331333133313211232313331333232132223   >>      C22213331333133313112331323133313331333133313211232313331333232132222   >>