X1   X2
45.326	43.041
45.433	43.567
45.643	43.820
46.151	44.308
46.250	44.427
46.347	43.944
46.444	44.188
46.634	44.188
46.728	44.067
47.185	44.886
47.274	44.773
47.362	44.543
47.536	44.998
47.622	44.998
47.622	45.109
47.791	45.326
47.875	44.886
47.875	45.326
47.958	45.539
48.283	45.326
48.442	45.643
48.520	45.539
48.752	45.539
49.053	46.634