interview questions in asp.net

Q1.

public partial class ser1 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        try
        {
            Server.Transfer("ser2.aspx");
        }
        catch
        {
            Server.Transfer("ser3.aspx");
        }
        finally
        {
            Server.Transfer("ser4.aspx");
        }
    }
}

and page  ser2 on page _load
Response.Write("2");
and page  ser3on page _load
Response.Write("3");
and page  ser4 on page _load
Response.Write("3");

so what would be output if we run ser1  page