using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var set1 = new List<Dictionary<string, string>>();

        var d1 = new Dictionary<string, string>(){{"a1","1"}, {"a2", "2"}};

        var d2 = new Dictionary<string, string>(){{"b1","1"}, {"b2", "2"}};

        set1.Add(d1);

        set1.Add(d2);

        var set2 = new List<Dictionary<string, string>>();

        var d3 = new Dictionary<string, string>(){{"a1","1"}, {"a2", "2"}};

        var d4 = new Dictionary<string, string>(){{"b1","1"}, {"b2", "2"}};

        set2.Add(d4);

        set2.Add(d3);

        var str1 = ConvertToString(set1);

        var str2 = ConvertToString(set2);

        Console.WriteLine(str1 == str2? "equal" : "not equal");

    }

    private static string ConvertToString(List<Dictionary<string,string>> hSet)

    {   

        var dictStrs = new List<string>();

        foreach(var d in hSet) {

            var kvs = d.Keys.Select(key => string.Format("{0},{1}", key, d[key])).OrderBy(s => s);

            dictStrs.Add(string.Join("\r\n", kvs));

        }

        return string.Join("#", dictStrs.OrderBy(s => s));

    }

}