1
2	3.1
3	4.8
4	11.2
5	53.7
6	2.9
7	27.1

2
3	19.5
4	40.2
5	186.4
6	11.4
7	93.2

3
4	56.9
5	268.8
6	17.7
7	113.3

4
5	304.2
6	41.8
7	127.0

5
6	165.1
7	231.1

6
7	81.9