Optimal circles and bending, this is a complete circle. Going down to the right, left, all the way back up again. And we're going to take 60 seconds to do it. And about 15 seconds we'll be here 30 seconds we'll be here. 45 seconds we'll be here, and 60 seconds we'll be back up here, and then we'll do the same thing in the opposite direction. It's optimal circles and bending