This is another good example with privrange ( ((2^60) - 986458768829923488 ) pubkey:
0x db09b0615ad40a0 * 038141a3381c97660163ce69acf22d5a0cc8c09fcbb624fa556ff17629b4b31918
=
0348e843dc5b1bd246e6309b4924b81543d02b16c8083df973a89ce2c7eb89a10d(this is has a range 2^60 (address - 1Kn5h2qpgw9mWE5jKpk8PP4qvvJ1QVy8su))This is a part of privkey - 986458768829923488 in hex db09b0615ad40a0.No one can't find a privkey of 038141a3381c97660163ce69acf22d5a0cc8c09fcbb624fa556ff17629b4b31918 ? 
0x db09b0615ad40a0 * 038141a3381c97660163ce69acf22d5a0cc8c09fcbb624fa556ff17629b4b31918
= 0348e843dc5b1bd246e6309b4924b81543d02b16c8083df973a89ce2c7eb89a10d
formula is incorrect
0348e843dc5b1bd246e6309b4924b81543d02b16c8083df973a89ce2c7eb89a10d - is puzzle 60 with private key = 0XFC07A1825367BBE
0XFC07A1825367BBE * inv(0xdb09b0615ad40a0) = 0xb839c25f765a0167754204e7c60b26866dbc64e7f596f7a924f697475c50b51c (
private key)
pub = 0247c5b786a019f5575605c6c02b3e3e6c298d2b564d2e205313fac01a07557cb2
correct formula: 0xdb09b0615ad40a0 *
0247c5b786a019f5575605c6c02b3e3e6c298d2b564d2e205313fac01a07557cb2= 0348e843dc5b1bd246e6309b4924b81543d02b16c8083df973a89ce2c7eb89a10d