Here is a sample world file:
World 5 5 Beepers 3 3 1 Robot 4 3 1 0 Wall 2 2 1 Wall 3 2 1 Wall 1 1 4 Wall 2 1 4 Wall 2 2 4 Wall 3 1 4 Wall 3 2 4 Wall 3 3 4 Wall 4 1 4 Wall 4 2 4 Wall 4 3 4 Wall 4 4 4
The resulting world, in the curses interface, looks like this:
  - - - - -
 |+ + + + +|
 |+ + + +|+|
 |+ + *|+|+|
    - -
 |+ +|+|+|+|
 |+|+|+|+|+|
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