13,18,12,17 18.8186
6,20,4,2 17.4302
1 0
3 4.3016
5 6.8898
7 9.2604
8 5.2232
9 10.167
10 15.0964
11 15.0964
14 0
15 8.873
16 8.3396
19 5.3662
