1 -21 -15 -15.9309 0
2 -15 -12 -13.3327 -12.3783
3 -12 -10 -10.945 -10.8478
4 -10 -8 -8.95907 -8.91374
5 -8 -6.5 -7.23227 -7.22774
6 -6.5 -5 -5.73245 -5.72198
7 -5 -3.5 -4.23581 -4.22863
8 -3.5 -2.5 -2.99135 -2.99257
9 -2.5 -1.5 -1.99708 -1.99866
10 -1.5 -0.5 -0.998579 -0.995568
11 -0.5 0.5 -0.0056246 0.00262747
12 0.5 1.5 0.994549 0.996604
13 1.5 2.5 1.99272 1.9938
14 2.5 3.5 2.99101 2.99111
15 3.5 5 4.23707 4.22745
16 5 6.5 5.7312 5.72074
17 6.5 8 7.22846 7.21392
18 8 10 8.96044 8.92419
19 10 12 10.9368 10.86
20 12 15 13.2507 12.3964
21 15 21 15.5221 0