Talk:The Dusk's Four/@comment-151.47.3.252-20140706075714/@comment-24776460-20140707125624

you can either go 2/5 (6 + gem) + 2/5 (6 + gem) OR 3/5 (8 + gem) + 1/5 (4 + gem). Both use a total of 12 copies and two gems. However the 3/5 + 1/5 method requires you to max out one more A2 than the 2/5 + 2/5 so that means it would use up 2 more S books.