+-----------------------+---------------+
| Puzzle element        | Character     |
+-----------------------+---------------+
| Wall                  | #             |
+-----------------------+---------------+
| Player                | @             |
+-----------------------+---------------+
| Player on goal square | +             |
+-----------------------+---------------+
| Box                   | $             |
+-----------------------+---------------+
| Box on goal square    | *             |
+-----------------------+---------------+
| Goal square           | .             |
+-----------------------+---------------+
| Floor                 | -, _, (Space) |
+-----------------------+-----------+---+