public static int[][] getSampleData(){
		int[][] data = new int[32][32];
		int i,j;
		String dir = System.getProperty("user.dir");
		String fileName = dir + "/data/sample.txt";
		
		BufferedReader br = null;
		try{
			String sCurrentLine;
			br = new BufferedReader(new FileReader(fileName));
			i = 0;
			while((sCurrentLine = br.readLine()) != null){
				List<String> cList = Arrays.asList(sCurrentLine.split(","));
				//System.out.println(cList);
				for(j = 0; j < 32; j++){
					data[i][j] = Integer.parseInt(cList.get(j));
				}
				i++;
			}
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				if (br != null)br.close();
			} catch (IOException ex) {
				ex.printStackTrace();
			}
		}
 		
		return data;
		
	}