how to sort unordered images

i am trying to sort unordered images into correct sequence. Here i am not getting the correct sequence. For this example i have chosen an object walk. Code is developed on c#.net. This is my code.

        for (i = 1; i <imagecount; i++)
        {
            fir = getDifference(image[i], image[i + 1]);

            for (j = i + 2; j <= imagecount; j++)
            {
                if (i == j)
                    j = j + 1;
                sec = getDifference(image[i], image[j]);
                if (fir > sec)
                {
                    fir = sec;
                    tmp = image[j];
                    image[j] = image[i + 1];
                    image[i+1] = tmp;
                    j = 0;
                } 

I am following this approach. getDifference() method will give the difference between two images. Any simple开发者_如何学编程 logic on how to get sequenced images??

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Without knowing about the getDifference() Method

Simple logic is OrderBy extesion method if using .net 3.5 or higher

or use Array.Sort() method in case of previous version.