C22213331333133313112331323133313331333133313211232313331333133323212311   >>    C2221333133313331311233132313331333133313331321123231333133313332321231   <<    C22213331333133313112331323133313331333133313211232313331333133323212313   >>      C22213331333133313112331323133313331333133313211232313331333133323212312   >>