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Old 12-02-2013, 01:28 PM   #1
Michael McCann
Member Michael McCann is offline
Join Date: Nov 2013
Location: Derry  NH
Posts: 7
Significance of 21-15-9

In the Level 1 course the briefly talked about the significance of 21-15-9. I am hoping someone can elaborate because it seems I missed when I took the class. Thanks
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