Unless I'm missing something here, why did you pay out 0.0199 to each user when they only made 10 and 13 posts each?
Those are the changes lol. He paid just 0.00052 + 0.0003.
Ah, right. Wish blockchain.info would sort that out.
There is nothing for them to sort out.
They mark all inputs and outputs and they cannot tell you which is the recipients address and which is the change address.
Not really their fault.