Because population growth has surpassed the growth in condo supply . If the condos hasn ' t been built , the prices would have increased even more , due to the greater increase in the population condo ratio . This is basic supply and demand , that dictates prices . <| sep |> Can you imagine what he would say if Donald Trump said that ? <| sep |> This rule doesn ' t always work . For example , if your entranceexit doesn ' t connect to the outermost boundary of the maze , or the pathways cross overunder each other . Tremaux ' s algorithm solves all mazes with well defined passages , and only requires some way to keep track of which paths you have already taken . Edit For people who didn ' t read it , it only requires a marker that you use to draw on the floor .