3.20973 -0.04807  3.33554 -0.04807  3.33551 -0.03759  3.20976 -0.03759 21.5
  4.25586 -0.18890  4.38380 -0.18890  4.38368 -0.17843  4.25598 -0.17843 21.5
  5.16915 -0.35350  5.30310 -0.35350  5.30285 -0.34303  5.16941 -0.34303 21.5
  5.30123 -0.30114  5.43282 -0.30114  5.43261 -0.29067  5.30144 -0.29067 21.5
  5.43394 -0.23213  5.52003 -0.23213  5.51992 -0.22166  5.43404 -0.22166 21.5