What will be the output of the below C# code ?

try
{
    try
    {
        try
        {

        }
        catch (Exception)
        {
            Console.WriteLine("1");
        }
        finally
        {
            Console.WriteLine("1");
        }
    }
    catch (Exception)
    {
        Console.WriteLine("2");
    }
    finally
    {
        Console.WriteLine("2");
    }
}
catch (Exception)
{
    Console.WriteLine("3");
}
finally
{
    Console.WriteLine("3");
}

Output :
1
2
3