4×4 Dot Puzzler

4x4DotsSo in Management Basics for Information Professionals by Evans and Ward, there is a brain teaser to determine the number of squares that can be created in the following 4×4 dot matrix.  The answer given was 32 and for the life of me I could not figure out how the authors came to that answer.  I was finally able to figure it out with a little help from Photoshop.  So here is the solution that I figured out:

Group 1:












Group 2:












Group 3:












Group 4:












Group 5:












Group 6:












So, 1+5+9+4+1+12 = 32


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