for(hor_block = 0; hor_block < HOR_BLOCK; hor_block++)
	{
		for(ver_block = 0; ver_block < VER_BLOCK; ver_block++)
		{
			min = 0;
			for(row_search = -1 * range; row_search <= range; row_search++)
			{
				if((ver_block * 16 + row_search) >= 0 && (ver_block * 16 + row_search + 15) < (VER_BLOCK * 16))
				{
					if((hor_block * 16 + col_search) >= 0  && (hor_block * 16 + col_search + 15) < (HOR_BLOCK * 16))
					{
						for(col_search = -1 * range; col_search <= range; col_search++)
						{
							error = 0;
							for(row = 0; row < BLOCK_SIZE; row++)
							{
								for(col = 0; col < BLOCK_SIZE; col++)
								{