1. First, place 8 eggs, 5 horizontally and 4 vertically, as shown in the picture below.

2. Then, select the egg at the end of the horizontal row, as shown in the picture below.

3. Place the last egg at the position marked in red and overlap it, as shown in the picture below.

4. In the last picture, there are 5 eggs displayed both horizontally and vertically, as shown in the picture below.