And what Grady means by tighten them a "few times," really means about 6 or 7.
I had to run the pattern 6 or 8 times before the bolts were actually tightened to the right torque. As you work your way out from the center, it seems like the ends will pull the middle bolts back out, and the middle bolts will pull the ends out. Weird.
Just double and triple check yourself before you go on...
Joe