- println!("grid size: ({}, {}) = {} cells", grid.width, grid.height, grid.width * grid.height);
- println!("min wall size: {}", (grid.width * grid.height) as f64 * min_wall_size);
+ println!(" grid size: ({}, {}) = {} cells", grid.width, grid.height, grid.width * grid.height);
+ println!(" min wall size: {}", (grid.width * grid.height) as f64 * min_wall_size);