C22213331333133313112331323133313331333133313222313331333133313221132232123311   >>    C2221333133313331311233132313331333133313331322231333133313331322113223212331   <<    C22213331333133313112331323133313331333133313222313331333133313221132232123313   >>      C22213331333133313112331323133313331333133313222313331333133313221132232123312   >>