2. It is not surprising that the moon column is the same in eight characters, which can't explain anything. Different combinations represent different meanings. Because yin and yang are indistinguishable, Gankun is unknown (I don't know the male and female), so I can't judge in detail;
3. If it's a man, we can simply analyze it: Rigeng sits in his wife's palace to represent his heart, and in the middle of the month, his wife Mu Yi is not included, so he becomes a wife. That is to say, he ordered the Lord to have two wives. The first month represents the period of 18-35 years old, and the last month represents the period after 45 years old.