17.4876 30.2892  -0.000131591
16.0728 33.3943  5.95677.
16.8967 38.7930  10.2154.
19.0221 44.8837  12.7989.
22.0168 51.0699  13.8704.
25.6943 56.9353  13.3297.
29.9071 61.7561  10.6748.
34.1022 64.6816  6.02046.
37.4625 64.8870  0.000000