GMAT Quantitative Reasoning Practice Test 5

The figure above shows that the interiors of 2 overlapping circles of the same size can form 3 regions bounded by arcs of one or both of the circles. In the case of the interiors of 3 overlapping squares of the same size, what is the maximum
possible number of regions, each bounded by segments of the sides of one or both of the squares, that can be formed?