White Grid: 150, 15, 153, 18|153, 15, 156, 18|156, 15, 159, 18|156, 18, 159, 21|156, 21, 159, 24|168, 21, 171, 24|171, 21, 174, 24|168, 24, 171, 27|192, 27, 195, 30|204, 27, 207, 30