• Packaging of a product can cost a lot of money. Can you design
 the cheapest package?
 • Your task is to decide on the most cost effective and efficient
 way to pack 12 golf balls. The radius of each golf ball is 1,8 cm.
 All 12 golf balls fit side by side and you must design a box that
 will hold the 12 golf balls with the minimum amount of wasted
 card. The cost of cardboard is going to 0,01€ per cm squared.