Mandarin Perplex 5x3

The Mandarin Perplex is an assembly puzzle with 15 mandarin slices. It has five pieces each with three slices centrally connected. With just five pieces it may look quite simple and therefore challenging for people to try and put it together, but in reality it's far from easy.The puzzle has just one solution.Mathematically this puzzle falls in the range of one dimensional circular disconnected polyomino packing problems.