It is the addition of spiritual attributes, representing intelligence, erudition and talent. Shan Zhi refers to the Three Six Gods of Daan, Suxi and Xiaoji, which is a symbol of good luck and represents peace, happiness and smoothness. The three heavenly stems fall on three auspicious days, that is to say, the three heavenly stems B, C and D correspond to Daan, Su Xi and Xiaoji. This is a very good pattern, dominated by extravagance, successful career and fame and fortune.
The above contents are for reference only, please don't be blindly superstitious.