Most people find it is hard to connect all nine dots in the figure at left with four straight lines, without retracing any lines, and without lifting their writing implement.
The reason it is hard to do is because in order to solve the puzzle a person has to think and operate in ways that are different than normal; or outside the box, as they say.
Before reading further, follow the instructions to solve the puzzle yourself; first with four lines, and then try to solve it using only three lines. Finally, try to determine how many ways the puzzle can be solved with Continue reading Why it is important to get off of auto-pilot and how to do it. →