string[,] strs = new string[5, 60];
            for (int i = 0; i < strs.GetLength(0); i++)              {                 for (int j = 0; j < strs.GetLength(1); j++)                          strs[i, j] = "☆";             }
            int x = 0;             bool add = true;
            for (int j = 0; j < strs.GetLength(1); j++)              {                 strs[x, j] = "★";                 if (add)                 {                     x++;                     if (x == strs.GetLength(0))                     {                         x‐‐;                         add = false;                     }                 }                 else                  {                     x‐‐;                     if (x < 0)                      {                         x++;                         add = true;                     }                 }                         }
            for (int i = 0; i < strs.GetLength(0); i++)             {                 for (int j = 0; j < strs.GetLength(1); j++)                              Console.Write(strs[i, j]);                 Console.WriteLine();