C22213331333133313112331323133313331333131311331333133313123232113311   >>    C2221333133313331311233132313331333133313131133133313331312323211331   <<    C22213331333133313112331323133313331333131311331333133313123232113313   >>      C22213331333133313112331323133313331333131311331333133313123232113312   >>