int nnsLoop(int M, int N, Matrix& Scene, Matrix& Waldo, int L, int highest, int xBlock, int yBlock)

{

	for (int a = 0; a < M-49; a+=1) //for loop to cycle through every block in the large wally scene and perform ssd
	{
		for (int b = 0; b < N-36; b+=1)
		{
			Matrix SceneLarge = Scene.splitScene(a, b); //create a matrix to use the scene data

			int ssd = 0; //creating a variable for ssd (sum of square diff)
			Matrix value = SceneLarge - Waldo; //find the difference
			Matrix value2 = value * value; //square the value

				for (int m = 0; m < L; m++)
				{

					ssd += value2._data[m];
				}

					if (ssd < highest) //looking for the smallest value
					{
						highest = ssd;
						xBlock = a;
						yBlock = b;
					}
		}
	}

	return 0;
}