C2221333133313331311233132313331333133313331311233132223132322231   >>    C222133313331333131123313231333133313331333131123313222313232223   <<    C2221333133313331311233132313331333133313331311233132223132322233   >>      C2221333133313331311233132313331333133313331311233132223132322232   >>