19.
Close the origami fortune teller by moving your four fingers following the arrows of the step #18.
Now, prepare to open the origami fortune teller by moving four fingers following the arrow directions vertically.
20.
Open the origami fortune teller by moving four fingers following the arrow directions of the step #19 vertically.
You can write something like numbers (for an example, 5, 6, 7, 8), four words, or four sentences on the four sides.