Guys, let's have some fun again, I have one more mini-puzzle for you 
There is 0.01 BTC on that address, so hurry up!

03150992937967192EBCD2539E5A949689AC69E6458F9178E7251356FFE079B7F0
Hint: private key is ABCD
where A (lowest bits of privkey) - some 64bit value
B = 2*A
C =  3*A
D = 4*A

PS. No BS here please, I will remove it.
PPS. For history, previous mini-puzzle is here: https://bitcointalk.org/index.php?topic=5526453