C2221333133313331311233132313331333133313331323321111331313311221   >>    C222133313331333131123313231333133313331333132332111133131331122   <<    C2221333133313331311233132313331333133313331323321111331313311223   >>      C2221333133313331311233132313331333133313331323321111331313311222   >>