C22213331333133313112331323133313331333133313223331211113311112331   >>    C2221333133313331311233132313331333133313331322333121111331111233   <<    C22213331333133313112331323133313331333133313223331211113311112333   >>      C22213331333133313112331323133313331333133313223331211113311112332   >>