[Resolved] checker needed

Hello
I need a checker for a Challenge .

GC8XA83
found in 3 country's all regions (belgium11, Netherland12 and germany16)
Province for belgium 11/11 all regions (Limburg, Antwerpen, Vlaams brabant ,west vlaanderen, hainaut, oost vlaanderen , liege , brabant wallon, luxemburg , namur and brussels
province for Netherland 12/12 all regions noord brabant, limburg, overijssel, friesland, noord holland, zuid holland , gelderland,flevoland, zeeland, utrecht, groningen ,
province for Germany 16/16 all regions nordrhein-westfalen, saarland , rheinland-pfalz, niedersachsen, hessen, bayern ,bremen, hamburg, berlin, baden-wurttemberg, sachsen, sachsen-anhalt,mecklenburg-vorpommern, schleswig-holstein, thuringen, brandenburg
so all country's should be green
thank you very much
Heidi

Here is the link https://project-gc.com/Challenges/GC8XA83/53218

Please test and reply

Thank you , it works