one way or the other.
The Chinese have a more subtle way of flipping coins they have a method of a 64 sided coin to flip. So instead of just heads or tails they are 64 possibilities to come to a decision when you don't know what to do. This is called the I-Ching or The Book Of Changes where the symbols are yin and Yang, that is to say for Yang a straight line undivided and for Yin a broken line in the middle.
I wanted to make a watch face experiment with this subject and you can get it here: https://play.google.com/store/apps/details?id=com.thaphlash.watch.iching