You're welcome.
You're sure, only one business per town? I just prepared a map. Looks quite uninteresting (but preferences depend). Perhaps you want to give it a try - it's attached (18-1.pat & 18-1.pst).
To create an irregular map like this, use the mapadjust tool (
Brasileiro's tool).
And don't mind bad English, as long as it's understandable. There's no native speaker around here, so we're
all trying (and no one is bothered).