use System.Runtime.InteropServices;
[DllImport("user32.dll")]
static extern bool SetCursorPos(int X, int Y);
int maxKolom = Console.WindowWidth - 1;
for (int i = 0; i < 10; i++) {
Console.SetCursorPosition(i, i);
Console.Write("");
Console.SetCursorPosition(maxKolom - i, i);
Console.Write("/");
}