namespace Test
{
class Program
{
static void Main(string[] args)
{
for (int x = 1; x < 10; x++)
{
if(x==3||x==8) //請添加代碼，過濾3和8
continue;
Console.Write(x);
}
}
}
}
for (int n = 0; n < 7; n++)
{
for (int i = 0; i < 7; i++)
{
string text = i == n || i == 6-n ? "O" : ".";
Console.Write(text);
}
Console.WriteLine();
}
