Paving the road, the relevant services try to make them as short as possible in order to shorten the path between the two points. But it is not always possible to pave a completely flat track without twists and turns. Interferes with the landscape, it is necessary to go around water obstacles, mountains and other natural obstacles that can not be corrected. Sometimes tunnels are cut through the mountains or bridges are built, but this makes building a road much more expensive. Our puzzle in Trace is a clever way laying in which you have to stretch the route through the entire maze, leaving no empty sections.