Ok, going from my haynes manual, "On V6 engines, after reaching the final torque, loosen all of the head bolts two or three turns.then repeat the tightening sequence using the torque-angle method. Do not loosen all of the bolts at the same time.Work one bolt at a time."
Cylinder Head Bolts- ft. lbs.
step 1. 37
step 2. 45
step 3. 52
step 4. 59
step 5 loosen bolts two or three times, then step 6
step 6. 11 to 18
long bolts. rotate additional 85 to 105-degrees
short bolts rotate additional 65 to 85 degrees
Hope this helps. It kinda is confusing to me but maybe you'll understand it better.