Insight · ★★☆☆☆ · ~3 min
The Nine Dots
Nine dots, four straight lines, one continuous stroke. The puzzle that named the cliché.
by MindYourPuzzle
Nine dots are arranged in a 3 × 3 grid.

Connect all nine dots using only 4 straight lines, without lifting your pen — each new line must start where the previous one ended.
How is it done?
Hints