C22213331333133313112331323133313331333133313211232313331333223313211   >>    C2221333133313331311233132313331333133313331321123231333133322331321   <<    C22213331333133313112331323133313331333133313211232313331333223313213   >>      C22213331333133313112331323133313331333133313211232313331333223313212   >>