 So here's the yuzheng kemen ma, and then the other stances are just the pivoting. So the chen ma, the chen ma, which is basically putting your weight on the back leg and pointing your feet 45 degrees this way. I'll show you what this is for, and then the other direction too. 45 degrees this way, your weight is on the back leg, along 70% to 80% of your weight is back, and then you're facing this way, and then the feet are pointing 45 degrees this way.