Perfect solution to preserve 4 power conferences:
Pac 12
Arizona
Arizona State
UC-Berkeley
Colorado
Oregon
Oregon State
Stanford
Utah
Washington
Washington State
ADD: Baylor
ADD: Kansas
ADD: Kansas State
ADD: Oklahoma State
ADD: TCU
ADD: Texas Tech
ADD: BYU
ADD: Houston
(if you go past 18, possibly add from Iowa State, Boise State, Colorado State, UNLV, San Diego State, Utah State, Wyoming, SMU, New Mexico, New Mexico State)
ACC
BC
Clemson
Duke
F$U
GaTech
Louisville
Miami
North Carolina
NC State
Pitt
Syracuse
UVa
VaTech
Wake Forest
ADD: Notre Dame
ADD: Cincinnati
ADD: UCF
ADD: USF
(If you go past 18, possibly add from West Virginia, Memphis, Temple)
Create 3 6-team pods in each conference. Merge TV networks. Set up cross-conference OOC games (or maybe each pod plays 5 pod games, 2 conference games, and two cross-conference games).