The Different Loop/en

Instruction

Draw a circular path on the gridlines. Not all grid points must be used. But all the red and blue dots are on the path. The lengths of the edges of the path are 1 or 2. On a blue circle is a bent of two lines with equal length. At red circles is a bent of two lines of different length.

 

Weblink

• http://inabapuzzle.com/honkaku/dloop.html