2. Select the border bar, set the border, and add an outer frame with dotted lines and diagonal lines in the middle. Then click OK.
3. Format the cells as shown below. Cancel the redundant slash.
4. After setting, you can set the column width and row height by yourself to make it square. The first Mi Zige is ready.
5. Select the first Mi Zige, drag it to the right, and then drag it down. Mi Zige is ready.