C22213331333133313112331323133313331333133313211232313331323223313221233231   >>    C2221333133313331311233132313331333133313331321123231333132322331322123323   <<    C22213331333133313112331323133313331333133313211232313331323223313221233233   >>      C22213331333133313112331323133313331333133313211232313331323223313221233232   >>