Triangle Man Puzzle

The Puzzle:

Six coins make the Triangle Man shown in the illustration.

The coins form three identical equilateral triangles as shown with the dotted lines.

Rearrange the coins into another shape with three equilateral triangles, each with a different size.

You may only change the position of one coin at a time, and in its new position it must touch at least two other coins.

How many moves are needed?

Do you have the answer? Check against our solution!