example input data set title
2.        1.        9.1756    159.99696 0.0
10.       0.        0.        -1.69
0.0       0.0       0.0       1.
-1.2      -.55      0.        1.
-2.2      -.9       0.        1.
-3.2      -1.2      0.        1.
-4.2      -1.42     0.        1.
-5.0      -1.5      0.        1.
-11.65    -1.5      -18.62    1.
-18.60    -6.51     0.        1.
-20.00    -6.51     -18.62    1.
-18.85    -1.5      0.        1.
-18.85    0.0
7.        0.        0.        0.0
-18.85    0.0       0.        1.
-18.85    -1.5      0.        1.
-20.4     -1.5      0.        1.
-28.7     -10.      0.        1.
-30.9     -10.      0.        1.
-32.2     -1.5      0.        1.
-38.      -1.5      0.        1.
-38.      0.0
  1.   6. 13.   .30 1.   0.   0.   0.            0.              1.
-1.5      -15.      -1.5      -15.000000