There is a little Yin in the Yang and a little Yang in the Yin. Unlike a half moon, there is no clean split, and they attract and repel and swirl around each other in an endless Taijitu.
It's a good thing I can make two clean pipelines out of this.

Fifth iteration on a solve that went from 80 to 75 to 70 to 63 to 58. I wonder just how much each one jumped me in placement...