Squares created by grouping 4 squares (2×2): 5 squares are visible (for example, top left, middle, etc.).
Large squares (3×3 of 9 squares): 1 is there (the entire large square that contains all the others).
Total: 11 (small), 5 (medium), 1 (large) = 17 squares in total.
Most people are narcissistic, count the squares
