C22213331333133313112331323133313331333133313211232313331333131211331323231221   >>    C2221333133313331311233132313331333133313331321123231333133313121133132323122   <<    C22213331333133313112331323133313331333133313211232313331333131211331323231223   >>      C22213331333133313112331323133313331333133313211232313331333131211331323231222   >>