What does the middle limit mean in fortune telling _ What is the middle limit in fortune telling?

When is the middle limit in the Book of Changes?

Yuan Tiangang called it bone fortune telling:

Initial limit: the first 25 years of life.

Medium term: 26-50 years old.

Final limit: 50- 100 years old

According to the fortune-telling method, the initial limit is 1-30, the middle limit is 3 1-60, and the upper limit is 6 1-90.