1% comments like this are ignored
25 5 10 -1 0
30 0 2.43872
42 0 0.724062
54 0 0.281634
61 1 4.21742
7%
8% so are blank lines
92 1 1.69463
103 1 1.23492
112 2 4.77818
12
133 2 0.902819
143 3 3.51267
154 4 6.25922
16