C2221333133313331311233132313331333133313331323321111331312212231   >>    C222133313331333131123313231333133313331333132332111133131221223   <<    C2221333133313331311233132313331333133313331323321111331312212233   >>      C2221333133313331311233132313331333133313331323321111331312212232   >>