x1,y1,x2,y2,x3,y3,x4,y4,x5,y5
8,7,20,4,10,11.5,15,6,21,14,13,5
9,6,20,5,11,13,16,5,20,12,14,1
11,5,21,5,12,11,18,4,21,10
14,4,22,6,13,13
17,3.5,21,7,11,14.5
18,4,19,7,8,13
21,4,18,6,10,11.5
22,5,19,5,12,11
22,7,20,5
21,9,
21,10,
22,12,
21,14,
21.5,14,
21,16,
19,20,
21,18,
26,20
20,23
18,22
16,23
17,26
16,26
15,23
13,23
12,26
11,26
12,23
10,23
6,27
1,26
4,21
7,21
5,18
4,14
4,10
5,6
4,3