50, 20
30,20
20,30
60,50
7km
10 km
4 km
5 km
10%
12.5%
15%
7.5%
1211
1231
1321
1233
3
2
0
-2
6.5m
8.5m
4.5m
2.5m
9%
10.5%
8.5%
12 years
8 years
10 years
16 years
90
45
95
40
240 ways
480 ways
120 ways
None of these