It sounds like #1 is the one to keep with the girls. With only 2 girls the roo you keep with them needs to be a gentleman. Good luck with your plan for 2 and 3.
Taking them out and in will actually cause more fighting because when they get put back together they need to reestablish who is who. How many hens do you have? Do your plans include keeping all 3 cockerals with the hens? Their Fighting is a bit of a spring thing as it sets the breeding...