No, it is saying, you can trade any 3 of one kind, for 1 of another kind. Can trade 3 Crests for 1 Beastman seal, 1 Kindred seal or 1 HQ crests. Can trade 3 Kindred seal for 1 Beastman seal, 1 crests or 1 HQ crests.

I really dont know why you are all making this much harder than it needs to be.