2. Choose the right color: the Chinese character has five colors, namely green, red, white, yellow and black. Ten thousand characters of each color have a specific purpose.
3. Forward and reverse: Pan Changjun's 10,000 words of adjusting the gas field in the wind and water of Taiji Gate are both forward and reverse. Both positive and negative rotations have energy, but this is a matter of good and evil, and it is a matter of trapping.