nd router's external IP (分享器), not your computer's IP (it should look like 192.168.0.xxx).
Here's a quick tutorial to find your "real" IP: https://www.youtube.com/watch?v=g6Eyj8pjrNU…
This must be a bug because its true for dividing by all odd numbers:
(i-1)/3
(i-2)/5
(i-3)/7
(i-4)/9
(i-5)/11
....
(i-n)/2n+1
And you can't make it work for even numbers
Added by Danny Boyes at 5:06pm on January 13, 2010