Odd tier Stronghold/Stronghold rotation

1984BigBrother: So I have received this bit of feedback from multiple sources. A lot of clans would like to see strong skirmishes at tiers 5, 7, 9, and 10. However, I don't think it would be a good idea on our server to allow all of these at the same time. So what I would suggest to the Dev team is rotating tiers (I also must say I am not sure how easy this would be to implement). So one-week tier 6 and tier 8 are available for strongholds the next week tier 5 and 7 are available the next week 7 and 10, and so on. I don't know if a week is the right amount of time and would like your feedback on this suggestion.