(emphasis added) There are five 1-by-1 squares, five 2-by-2 squares, and one 3-by-3 square.


A small square in the corner of a big square still equals two squares. Four contiguous squares (touching left-right and top-bottom) equals five squares--their outer perimeter forms a square.


Last edited by Jackie; 06/25/2009 2:47 AM.