28 October 2018

605. Five matchsticks in a row

Easy Medium Hard Extreme


Five matchsticks are placed with heads pointing North as shown above. The challenge is to turn ALL the matchsticks so that all the heads are pointing South. The following rules apply when turning:

1. Turn 3 matchsticks at a time.
2. The 3 matchsticks you turn don't have to be adjacent.

Can you achieve this in 3 steps?

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