C2221333133313331311233132313331333133313331322231333132313132322231   >>    C222133313331333131123313231333133313331333132223133313231313232223   <<    C2221333133313331311233132313331333133313331322231333132313132322233   >>      C2221333133313331311233132313331333133313331322231333132313132322232   >>