Please design a two-dimensional building facade that combines brick and white stone materials. In your design, please adhere to the following details: The main walls of the building should be made of red brick. The window frames should be made of red brick. Use white stone for decorative trim at the top of the building. The main entrance door of the building should also be designed with a white stone frame. The design proportions should ensure a balanced and harmonious combination of these two materials. The dimensions of the facade should be standard and suitable for a three-story residential building. Please make sure