1 -21 -15 -15.8932 0
2 -15 -12 -13.3297 -12.396
3 -12 -10 -10.9409 -10.8407
4 -10 -8 -8.9617 -8.92202
5 -8 -6.5 -7.23316 -7.22425
6 -6.5 -5 -5.73414 -5.72348
7 -5 -3.5 -4.23298 -4.22203
8 -3.5 -2.5 -2.99485 -2.99112
9 -2.5 -1.5 -1.99807 -1.99308
10 -1.5 -0.5 -0.996421 -0.993192
11 -0.5 0.5 -0.00773818 0.00330939
12 0.5 1.5 0.99509 0.992354
13 1.5 2.5 1.99195 1.9923
14 2.5 3.5 2.99627 2.98763
15 3.5 5 4.23051 4.22778
16 5 6.5 5.73436 5.72182
17 6.5 8 7.22894 7.21507
18 8 10 8.95709 8.91658
19 10 12 10.9407 10.8609
20 12 15 13.2459 12.3851
21 15 21 15.5343 0