GraphicsWindow.BackgroundColor = "orange"
GraphicsWindow.Width = 700
GraphicsWindow.Height = 700
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (20,20,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (100,20,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (180,20,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (260,20,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (340,20,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (420,20,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (500,20,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (580,20,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (20,100,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (20,180,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (20,260,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (20,340,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (20,420,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (20,500,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (20,580,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (100,100,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (100,180,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (100,260,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (100,340,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (100,420,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (100,500,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (100,580,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (180,100,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (180,180,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (180,260,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (180,340,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (180,420,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (180,500,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (180,580,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (260,100,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (260,180,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (260,260,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (260,340,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (260,420,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (260,500,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (260,580,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (340,100,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (340,180,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (340,260,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (340,340,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (340,420,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (340,500,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (340,580,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (420,100,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (420,180,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (420,260,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (420,340,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (420,420,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (420,500,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (420,580,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (500,100,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (500,180,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (500,260,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (500,340,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (500,420,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (500,500,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (500,580,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (580,100,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (580,180,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (580,260,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (580,340,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (580,420,80,80)
GraphicsWindow.BrushColor = "black"
GraphicsWindow.FillRectangle (580,500,80,80)
GraphicsWindow.BrushColor = "white"
GraphicsWindow.FillRectangle (580,580,80,80)