C22213331333133313112331323133313331333133313232221123133313113222311   >>    C2221333133313331311233132313331333133313331323222112313331311322231   <<    C22213331333133313112331323133313331333133313232221123133313113222313   >>      C22213331333133313112331323133313331333133313232221123133313113222312   >>