using System;
using System.Collections.Generic;
class Program
{
static void Main()
{
List<int> numbers = new List<int> { 15, 6, 19, 9, 7, 3, 8, 1, 4 };
// Sort a portion of the list (e.g., elements at index 2 to 6)
numbers.Sort(2, 5, Comparer<int>.Default); // 19, 9, 7, 3, 8 -> 3, 7, 8, 9, 19
// Print the sorted list
Console.WriteLine(string.Join(", ", numbers));
}
}
/*
run:
15, 6, 3, 7, 8, 9, 19, 1, 4
*/