The video starts with a white paper on which a blue line is drawn to form a square. Then, a person holding a purple pen draws a curved line inside the square, followed by a vertical line on the right side of the square. The person continues to draw a rectangle on the right side of the square and a vertical line on the left side of the square. The person then draws a rectangle on the left side of the square and a vertical line on the right side of the square. Finally, the person draws a rectangle on the right side of the square and a vertical line on the left side of the square.