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The train in the upper illustration must turn
around and head back to Edmonton. After turning, the train and the
railway car should be facing towards Edmonton as shown in the lower
illustration. The engine and the railway car can be coupled and
uncoupled in any way. The engine can push and pull with its front end
as well as its back end. There is just enough room for one car or
engine on the straight part of the sliding, and enough room for both
the engine and the car at the other straight part of the track past
the sliding. While the car and engine are being moved to their new
positions, they can face different directions. |
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