1

Connect all 9 Dots using only 4 straight lines without lifting the “pencil”

Try to solve the puzzle on your own before moving on to the next slide for the solution.

2

Connect all 9 Dots using only 4 straight lines without lifting the “pencil”

The key comes in realizing that you don’t have to stay “inside the box” formed by the grid.

12

3

4

For more information seehttp://en.wikipedia.org/wiki/Outside_the_box