GraphicsWindow.Width=500
GraphicsWindow.Height=500
GraphicsWindow.BackgroundColor="gray"
GraphicsWindow.PenColor="cyan"

GraphicsWindow.DrawLine(250,0,250,500)
GraphicsWindow.DrawLine(0,250,500,250)

GraphicsWindow.DrawLine(0,0,250,250)
GraphicsWindow.DrawLine(250,0,0,250)

GraphicsWindow.DrawLine(375,0,375,250)
GraphicsWindow.DrawLine(250,125,500,125)

GraphicsWindow.DrawLine(250,250,500,500)
GraphicsWindow.DrawLine(500,250,250,500)

GraphicsWindow.DrawLine(50,250,50,500)
GraphicsWindow.DrawLine(100,250,100,500)
GraphicsWindow.DrawLine(150,250,150,500)
GraphicsWindow.DrawLine(200,250,200,500)

GraphicsWindow.DrawLine(0,300,250,300)
GraphicsWindow.DrawLine(0,350,250,350)
GraphicsWindow.DrawLine(0,400,250,400)
GraphicsWindow.DrawLine(0,450,250,450)