| A yellow tile with two small stations can be upgraded to any
green tile with one station and the same exits. #69 is special. |
|---|
1 55 14 888 2 56 15 887
69 119
| A yellow tile with one small station can be upgraded to any green tile with one station. |
|---|
3 12 14 15 887 888 119
58 12 13 14 15 887 888 119
4 14 15 87 88 119
| A yellow tile with one large station can be upgraded to any green tile with one large station. |
|---|
5 12 14 15 119
6 115 12 13 14 15 119
| Below here there is no neat summary rule. |
|---|
| Bristol | 12 13 38
10 35 36 37 38 64 65
52 64 65 66 67 68