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Train Routes

Stage: 1 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

Here we have a train line that has different routes from Appleby to each of the main stations of Barkton, Cheston and Dorby, because there are two crossing-over lines passing through Barkton and Cheston.
The smaller stations at Yanbridge, Zogborough, Worsby, Xanly, Underton and Vilham just have a single track running through them:
Stations
What are the different routes that you can have to end at Cheston?
What are the different routes that you can have to end at Dorby?
You might like to then invent your own routes that may go further than this one and then answer similar questions that you can think up.