Eight characters, 10 cents and 20 cents. Who?

In the eight characters, one needle and two waters are called competition. Competition depends on the position between the three branches and what is happening to them. If Mao Mu is supported in the middle of the year, it will be supported by the moon; If the moon supports Mao Mu, it supports the sun; If Mao Mu is supported underground, it will be supported by the moon, and then time. If there is Shui Mu's heavenly stem in the sky, let's close it first.