20
-8.42820 1.40192
-7.56218 0.90192
-6.69615 0.40192
-5.83013 -0.09808
-4.96410 -0.59808
-4.09808 -1.09808
-8.92820 0.53590
-4.59808 -1.96410
-9.42820 -0.33013
-5.09808 -2.83013
-9.92820 -1.19615
-10.42820 -2.06218
-5.59808 -3.69615
-6.09808 -4.56218
-6.59808 -5.42820
-10.92820 -2.92820
-10.06218 -3.42820
-7.46410 -4.92820
-8.33013 -4.42820
-9.19615 -3.92820
12
1 6
7 8
9 10
11 13
12 14
15 16
1 16
2 17
3 20
4 19
5 18
6 15
0.3
0.0001 0.001 0.01 0.1