/kloc-the number from 0 to 30 is a good house number.

The house number can be 1, 3,5,6,7,8,1,13, 15, 16, 17,/kloc.

The odd and even numbers in the Book of Changes are "Yang couples", that is, "two places in one day, four places in three days, six places in five days, eight places in seven days, and ten places in nine days". Nine and six are the representatives of yin and yang. Yang and Yin are called nine and six respectively.

Yijingli 1-6 is water, 2-7 is fire, 3-8 is wood, 4-9 is gold, and 5-0 is earth.