4-layer coffee 4 layers one purplish red 5 layers of coffee 5 layers one purplish red 6-layer black 6 layers and 1 gray 6-layer coffee 6-layer purplish red 8-layer black 8 layers and 1 gray 8-layer coffee 8 layers one purplish red 10-layer black 10 layers a gray 10-layer coffee 10 layers of purplish red 10 layers one purple 10 layers a navy blue 3-layer one simple shoe rack

as shown in the figure