Xamarin.Forms not centering layouts in android - layout

Question

I have 3 labels - I want to center the second label and to fill the other space with equal sizes for the first and third label.
Instead I see there is a consideration of the string when using the LayoutOption.FillANdExpand
here is my code:
class MainPage : ContentPage
{
public MainPage()
{
StackLayout a = new StackLayout();
a.Orientation = StackOrientation.Horizontal;
a.Spacing = 0;
a.Padding = new Thickness(0, 0, 0, 0);
a.HorizontalOptions = LayoutOptions.FillAndExpand;
Label l1 = new Label { Text = "1111", HorizontalOptions = LayoutOptions.FillAndExpand, HorizontalTextAlignment = TextAlignment.Center, BackgroundColor = Color.Red, };
Label l2 = new Label { Text = "2222222222222", HorizontalOptions = LayoutOptions.Center, HorizontalTextAlignment = TextAlignment.Center, BackgroundColor = Color.Gray };
Label l3 = new Label { Text = "333333333333", HorizontalOptions = LayoutOptions.FillAndExpand, HorizontalTextAlignment = TextAlignment.Center, BackgroundColor = Color.Red };
a.Children.Add(l1);
a.Children.Add(l2);
a.Children.Add(l3);
Content = a;
}
}
the result is this:
I want the 111 and the 33333... labels to have the same size and the 2222 label to be in the center of my page...

Answer 1

You could use Grid with 3 columns:
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition/>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<Label Text="1111" TextColor="White" BackgroundColor="Red" />
<Label Grid.Column="1" Text="2222222222222" TextColor="White" BackgroundColor="Gray" />
<Label Grid.Column="2" Text="33333" TextColor="White" BackgroundColor="Red" />
</Grid>

Answer 2

While Grid seems to work ok for that, it a little bit overhead. You can try this layout options:
Label l1 = new Label { Text = "1111", HorizontalOptions = LayoutOptions.StartAndExpand, HorizontalTextAlignment = TextAlignment.Center, BackgroundColor = Color.Red, };
Label l2 = new Label { Text = "2222222222222", HorizontalOptions = LayoutOptions.Center, HorizontalTextAlignment = TextAlignment.Center, BackgroundColor = Color.Gray };
Label l3 = new Label { Text = "333333333333", HorizontalOptions = LayoutOptions.EndAndExpand, HorizontalTextAlignment = TextAlignment.Center, BackgroundColor = Color.Red };