Strategies and Hints
Yes, it is possible to escape from this cave. But although they can find a path to get out, other paths will trap them. To always escape a cave, regardless of the path taken, each chamber must have an even number of openings. If a cave has one or more chambers with an odd number of openings, it is possible to get trapped.
An example of a cave from which a person can always escape is
A cave from which a person might not escape is