How do plum blossoms look at hexagrams with calculated numbers?

Gossip calculation the day after tomorrow.

1 is dry

Used for exchange.

3 for separation

4 is an earthquake.

5 Wei Xun

6 micro journal

7 is gender.

8 Wei Kun

For example, if the number is 28, then the upper divination is exchange, and the lower divination is Kun, which is the divination of "Ze Cui Di".