Suggestion: Seperate the 'person or group' to whom you are sending the message from the message itself. Build the message for all "Desired" combination and then join them with 'person' or 'people in the group'

Desired: So that you don't send the same message to John to meet the same person at the same time, twice.

In reply to Re: Creating, Using, and Manipulating Matrices' values by artist
in thread Creating, Using, and Manipulating Matrices' values by joule

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