Agreed, but it's better than martingale.
Using
http://bitcoindicesimulator.com/play/#dice the script just made me 32 BTC from 4 BTC.
Changed the payout to 13, base bet to 0.0005 and payout to 13x.
That would be 30k in my currency! I'm gonna attempt to use this with 4 BTC in a few days.