Clara is a fashion designer. She is designing a pattern for a shirt fabric. The design is made up of small squares. There is a decorative pattern
against one or more sides of each small square. The small squares will be
arranged in a block of four that will be repeated to make the larger overall
design. Within the block of four, there will be: - one square containing one
pattern - one square containing two patterns - one square containing
three patterns - one square containing four patterns. One possible way of
arranging the designs in each of the small squares is shown below. What is
the total number of different small squares that can be created? *