Have you heard that there is a route you can take around the London Underground, covering every single line for just one stop? Back in 2013 one of our friends was told this puzzle and, being a London geek — hooray — he worked it out over several commutes. Can you? Remember, you must visit each different line for just one stop.
- The route includes the Overground and DLR
- You can change from one line to another, even if they continue on the same tracks (e.g. go one stop on the Circle line then change to the District for one stop in the same direction)
- There are four permutations of start and end points, because only one of the two stations for the first and last move is important (e.g. if you are on the Victoria line and need to get to Stockwell, you can start at Brixton or Vauxhall - it makes no difference to the rest of the route!
Good luck! And if, in a month's time, you're still tossing and turning in bed still trying to figure this one out ... put yourself out of your misery as we've shared the solution here.
Many thanks to John Wilkes for sharing the puzzle (and for working it out).