Many tiles are asymmetrical. Concrete wall tiles are asymmetrical, as they only lay on a right-way or left-way direction (figure 1). I think these tiles should be symmetrical and universal so when a tile is laid, it is neither right nor left. This could also solve the corner tile problem (figure 2). I know it's not hard work for the graphics team. Implementing the tiles is a different story, but the graphics team should work and update all PT tiles.