I use groups, and it works perfect.
I have 6 groups of maps, and 6 voting options (one from each group), and when there are no nominations, everything works as expected.
What I didn't get (didn't really bother either) is, what happens when for example 3 maps are nominated, which groups are the other 3 slot filled from (it doesn't really matter)
They're filled in order. Basically, your later groups get screwed when there are nominations.
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