C2221333133313331311233132313331333133313331333133313331333112233121   >>    C222133313331333131123313231333133313331333133313331333133311223312   <<    C2221333133313331311233132313331333133313331333133313331333112233123   >>      C2221333133313331311233132313331333133313331333133313331333112233122   >>