"togel" aka "toto gelap" or in English - illegal lottery (because in Indonesia, any kind of gambling is illegal),

I've concern about this and I heard about that fraudulent issue but I can't prove it, The issue is, the top dealer filters all bettor numbers and finds a few numbers and a few bet that is used, when they find it then that number is taken out. And, before Chinese New Year, they usually issue numbers that are not used by bettors.

So the answer to your question: It's depends