Play and double your money immediately. All you have to do is put your bet on one of possible 10 choice. Your winning then calculated from your batch number transaction and your spend time. Here is the formula:

X = (Sum of last 2 batch digit +
Sum of second value of spend time) % 10

for example, after the transaction your batch number is 165593483 and your recorded spend time is 21:10:34. Then:

X =(8+3+3+4)%10 = 18%10 = 8

Your payback is depend on this X result. The more precise (less different) your bet with the X result, the higher payback you got. You can see the payback and X different value on the right table.