225-228 Champions will go at a 4:3 turn ratio. Syncs up on turn count 9 for UNM, and turn count 5 for NM.
172 Champion can be used to block stun on UNM
182 Champion can be used to cleanse on NM

UNM
228 champ goes Twice/First after AOE2.
Faster 225 champ goes Twice/First after Stun.
Slower 225 champ goes Twice/First after AOE1.

NM
228 champ goes Twice/Last after Stun.
Faster 225 champ goes First/Last after AOE2.
Slower 225 champ goes Twice/First after Stun.

This is useful for having three champs on a 4-turn cooldown using their abilities every cycle and having their buffs cover multiple clan boss turns. As always variations within ranges may alter the turn order.