C22213331333133313112331323133313331333133313211232313331322133313231211222221   >>    C2221333133313331311233132313331333133313331321123231333132213331323121122222   <<    C22213331333133313112331323133313331333133313211232313331322133313231211222223   >>      C22213331333133313112331323133313331333133313211232313331322133313231211222222   >>