Whereas the other mentioned areas of setting deliberately invoke some frustration in the process of trying to solve the problem, this obviously is of no or at least lesser importance in commercial setting. Bigger gyms follow the Fontainebleau idea of varied and challenging circuits. In most gyms a grade range is coordinated with designated colours. This grade range might or might not be communicated, instead, a colour chart with recreational, intermediate, advanced, and expert designations is posted. This simple colour coordinated chart will creates easy to follow circuits, and hunting for numbers will become less of an obsession for gym patrons.