Many people like burgers because they can get their food quickly. Now you have a chance to cook a fast-food burger. All the ingredients are ready. Burgers are fast food. So you need to move the plate left and right so that the burger ingredients fall down quickly. You should serve a delicious burger to the customer on the other side. Only when all the ingredients are arranged in an orderly manner on the plate will you be successful in cooking burgers. How many burgers can you successfully make?