public static void Main()
foreach(string obj in Comentario.Split(new char[] {'\n'}, System.StringSplitOptions.RemoveEmptyEntries))
tmp += caractere + " " + obj.Trim() + new string(' ', size - obj.Trim().Length - 3) + caractere + "\n";
Console.WriteLine("{0}\n{1}\n{2}\n{0}", new string(caractere, size), caractere + new string(' ', size - 2) + caractere, tmp.Trim());