using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
 
public static class Test
{
    private static IEnumerable<string> GraphemeClusters(this string s) {
        var enumerator = StringInfo.GetTextElementEnumerator(s);
        while(enumerator.MoveNext()) {
            yield return (string)enumerator.Current;
        }
    }
    private static string ReverseGraphemeClusters(this string s) {
        return string.Join("", s.GraphemeClusters().Reverse().ToArray());
    }
 
    private static string ReverseViper(this string s)
	{
    	char[] charArray = s.ToCharArray();
    	Array.Reverse( charArray );
    	return new string( charArray );
	}
 
	public static void Main()
	{
		var s = "Les Mise\u0301rables";
        Console.WriteLine(s.ReverseGraphemeClusters());
        Console.WriteLine(s.ReverseViper());
	}
}

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