The Post Office in DS City has come up with a new measure to limit packages that can be sent under a new flat rate, regardless of weight or volume. The “strap measure” of a box is the length of the longest side plus two times the sum of the two shorter sides. For the new flat rate for sending a packet, the strap measure may not exceed 100 inches.

Your e-commerce client Mr. Bates sells large comforters of 9,000 cubic inches in volume and wants to make use of this new flat rate if possible. Can you design a box that will be large enough to hold these comforters and that can be sent at a flat rate price?  Link