class MazeCell {
  int clean;
  int visited;
  int direction[4];

  public:
    void setClean();
    int isClean() { return clean; }
    int isVisited() { return visited; }
    void setVisited() { visited = 1; }
    void setDirection ( int sDir ) { direction[sDir] = 1; }
    int getDirection ( int gDir ) { return direction[gDir]; }
    int isDone ();
    MazeCell();
};