This is England calling...

The result in reverse order for CD#8 is...
code:
CD #8
Title       = Ruud's Favs
Song #s     = 20,19,18,17,16,15,10,9,8,7,6,5,4,3,2
CD Length   = 44.58
CD Length   = 44.5842
CD Gap      = 0.42
CD Gap [%]  = 0.92
Opt. Length = 44.58
Opt. Length = 44.5842
CD can be further optimized by 0%
A valid CD has been created
The lengths are printed twice - the second length is unformatted.

So they appear to be the same, although the script insists that it can be further optimised.