// red circle // x y dy 15.700000 0.975664 0.001320 28.799999 0.975482 0.001325 49.299999 0.977597 0.001314 78.300003 0.976398 0.001355 117.099998 0.976293 0.001382 167.600006 0.977169 0.001304 234.199997 0.979396 0.001273 298.600006 0.977997 0.001760 350.600006 0.979753 0.001784