C2221333133313331311233132313331333133313131133133313332211213121   >>    C222133313331333131123313231333133313331313113313331333221121312   <<    C2221333133313331311233132313331333133313131133133313332211213123   >>      C2221333133313331311233132313331333133313131133133313332211213122   >>