1.1
1.2
2.1
2.2
3.1
3.2
4.1
4.2
5.1
5.2
6.1
6.2
1.3
1.4
1.5
1.6
2.3
2.4
2.5
3.3
3.4
3.5
3.6
4.3
4.4
4.5
5.3
5.4
5.5
6.3
6.4
6.5
6.6
7.1
7.2
7.3
7.4
7.5
8.1
8.2
8.3
8.4
8.5
8.6
8.7
9.1
9.2
9.3
9.4
9.5
9.6
10.1
10.2
10.3
10.4
10.5
11.1
11.2
11.3
11.4
11.5
12.1
12.2
12.3
12.4
12.5
13.1
13.2
13.3
13.4
13.5
14.1
14.2
14.3
14.4
14.5
15.1
15.2
15.3
15.4
15.5
2.6
4.6
5.6
7.6
7.7
10.6
