What is the name and meaning of the last hexagram in the Book of Changes? !

The last divination in the Book of Changes is fire and water auspicious, and the last divination upstairs is fire and water auspicious, indicating that you are accomplished. The Book of Changes began to intersect with the pure yin and yang of Gankun, and produced Shuileitun divination. There are sixty-four hexagrams in "Ji Ji Gua * * *", which reflects the development of a thing. For example, your parents got married and gave birth to you, and you are the divination of Shuileitun. I will enlighten you and let you learn divination when you grow up. The Book of Changes cannot be studied alone, nor can it be studied alone. You can use the cycle of the Book of Changes to cover anything, you can't go wrong. The things of our ancestors are really amazing. I wish you success in your study and carry forward our own traditional culture.