If you create chips on your own and want it to look like ChipMixer's chips, you can't create 1x 0.064 and 1x 0.327. It's obvious the second example isn't created by ChipMixer.
We usually do transactions the most efficient way, but we have a few ways of breaking inputs into chips. 1x 0.064 and 1x 0.327 is also a possible ChipMixer transaction.