12/12 after our full week
We typically raid 3 1/2 to 4 hours for 4 days a week and only had Lei Shen left yesterday, which ended up only taking a little less than 2 hours.
Wasn't all that difficult for us, hardest boss in there was Durumu for our group. Mainly because the eye beam failing to transfer the stun correctly only to have people get punted off the side caused a lot of wipes.
Of the last 6 there really aren't that many that are difficult on any difficulty. You would have seen similar results on Primordius, Consorts and Dark Animus in both 25/10, they are all very easy bosses.