Good algorithm for combining items from N lists into one with balanced distribution?

Question

Let\'s say I have the three following lists

A1
A2
A3

B1
B2

C1
C2
C3
C4
C5

I\'d like to combine them into a si

Answer 1

You could simply combine the three lists into a single list and then UNSORT that list. An unsorted list should achieve your requirement of 'evenly-distributed' without too much effort.

Here's an implementation of unsort: http://www.vanheusden.com/unsort/.