I like this idea, though I actually screwed up a moment ago.
It changes 16/16/12/12/10/8 (+2 to 2) to 16/16/12/10/10/8, yielding a 14 if you really want it for your third stat. Also, in RAW, you can go 20/16 if you have +2 to both your desired stats, now you can only go 20/15. So I'm not sure...