C22213331333133313112331323133313331333133313211232313331333223313221   >>    C2221333133313331311233132313331333133313331321123231333133322331322   <<    C22213331333133313112331323133313331333133313211232313331333223313223   >>      C22213331333133313112331323133313331333133313211232313331333223313222   >>