C22213331333133313112331323133313331333133313223331211113312323311   >>    C2221333133313331311233132313331333133313331322333121111331232331   <<    C22213331333133313112331323133313331333133313223331211113312323313   >>      C22213331333133313112331323133313331333133313223331211113312323312   >>