Scarily similar issue here: Duplicate scrap data search results
Their scraping also started repeating on the 4th iteration, looking at the solution provided there right now, if anyone can help that would be awesome 
ashokkarale
Anil_G
Yoichi
yangyq10
postwick
chandreshsinh.jadeja
aravindbalineni123
Parvathy
aya
PRASHANT_GABHANE