Stations | Model | Stations | Model | ||||||
---|---|---|---|---|---|---|---|---|---|
 | 1 | 2 | 3 | 4 |  | 1 | 2 | 3 | 4 |
1 | 2 | Â | 1 | Â | 11 | 1 | Â | 3 | 1 |
2 | Â | Â | 2 | 1 | 12 | 1 | Â | 1 | Â |
3 | 1 | 2 | Â | Â | 13 | Â | 1 | Â | 1 |
4 | 1 | 3 | 1 | Â | 14 | 1 | 2 | Â | 2 |
5 | 1 | Â | Â | 3 | 15 | Â | 1 | Â | 1 |
6 | 1 | Â | 1 | Â | 16 | Â | 2 | Â | Â |
7 | Â | 1 | Â | 1 | 17 | 1 | Â | Â | 1 |
8 | 1 | 2 | Â | Â | 18 | 1 | 3 | Â | Â |
9 | 3 | Â | 1 | 1 | 19 | Â | 1 | Â | 2 |
10 | Â | 1 | Â | 1 | 20 | 1 | 2 | Â | 1 |