travel array with two dimensions c#

public class VisitedArray {
   bool[,] visited;
   List<(int, int)> path = new List<(int, int)>();
   public List<(int, int)> GetPath(bool[,] visited) {
       this.visited = visited;
       GetPath(0, 0);
       return path;
   }
   
   public bool GetPath(int i, int j) {
       if (i == visited.GetLength(0) - 1 && j == visited.GetLength(1) - 1) {
           path.Add((i, j));
           return true;
       }
       if (i >= visited.GetLength(0) || j >= visited.GetLength(1) || visited[i, j]) {
           return false;
       }
       visited[i, j] = true;
       if (GetPath(i + 1, j)) {
           path.Add((i, j));
           return true;
       }
       if (GetPath(i, j + 1)) {
           path.Add((