C2221333133313331311233132313331333133313331333131133133313123232311   >>    C222133313331333131123313231333133313331333133313113313331312323231   <<    C2221333133313331311233132313331333133313331333131133133313123232313   >>      C2221333133313331311233132313331333133313331333131133133313123232312   >>