7,22,9,20 13.862
4,5 10.0914
3,13 9.7484
14,19 7.1624
8,17 12.3634
18,21 9.2332
2,15 9.3474
1 5.2528
6 8.729
10 6.181
11 6.8424
12 9.0088
16 6.6782
