1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
x,y
1,2.0
1,3.0
1,4.0
1,5.0
1,6.0
2,4.0
2,5.0
2,6.0
2,7.0
2,8.0
3,6.0
3,7.0
3,8.0
3,9.0
3,10.0
4,8.0
4,9.0
4,10.0
4,11.0
4,12.0
5,10.0
5,11.0
5,12.0
5,13.0
5,14.0
6,12.0
6,13.0
6,14.0
6,15.0
6,16.0
7,14.0
7,15.0
7,16.0
7,17.0
7,18.0
8,16.0
8,17.0
8,18.0
8,19.0
8,20.0
9,18.0
9,19.0
9,20.0
9,21.0
9,22.0
10,20.0
10,21.0
10,22.0
10,23.0
10,24.0