User blog comment:Hayashi H/Max-efficiency Map-clear Formations/@comment-5935877-20151024150448/@comment-26486243-20151024163513

That one uses fewer resources but #1 is a kuso way of doing things and #2 makes it effectively impossible to get Asagumo or Ooyodo drops from 1-6B. Though for the kuso component alone I already can't list it. =P

These are meant for completing the quests/maps 'reliably' with the lowest cost. Technically it's cheaper to send a single I-168/Ro-500 with twin engines to orel 2-3 if you're doing it for the resource farming, but that tactic doesn't clear the boss as reliably.