- Click at a cell to start making a "wall" from that cell, then click at another cell to end the "wall" at that cell.
- Right click at a cell to delete the "wall" from that cell
- There must be exactly one empty cell in the top and the bottom row of the grid. (The first and the last rows are initially completely "walled").
- The empty cell in the top row represents the start of the maze and the one in the bottom row represents the end of the maze.
Error: Note that there should be an empty cell in the first row to represent the starting point of the maze.
Error: Note that there should be an empty cell in the last row to represent the finishing point of the maze.