public class Main {

  private static void solve() {
    int h = ni();
    int w = ni();
    int[][] a = ntable(h, w);
    int[][] b = ntable(h, w);

    int diffMax = (h + w) * 80;
    boolean[][][] dp = new boolean[h][w][diffMax + 100];
    dp[0][0][Math.abs(a[0][0] - b[0][0])] = true;

    for (int i = 0; i < h; i++) {
      for (int j = 0; j < w; j++) {
        if (i == 0 && j == 0)
          continue;
        int d = Math.abs(a[i][j] - b[i][j]);
        for (int k = 0; k <= diffMax; k++) {
          if (i > 0 && dp[i - 1][j][k]) {
            dp[i][j][Math.abs(k + d)] = true;
            dp[i][j][Math.abs(k - d)] = true;
          }
          if (j > 0 && dp[i][j - 1][k]) {
            dp[i][j][Math.abs(k + d)] = true;
            dp[i][j][Math.abs(k - d)] = true;
          }
        }
      }
    }

    int ret = Integer.MAX_VALUE;
    for (int i = 0; i <= diffMax; i++) {
      if (dp[h - 1][w - 1][i])
        ret = Math.min(ret, i);
    }
    System.out.println(ret);
  }

  static int h(int h, int w) {
    return h * 100 + w;
  }

  public static void main(String[] args) {
    new Thread(null, new Runnable() {
      @Override
      public void run() {
        long start = System.currentTimeMillis();
        String debug = args.length > 0 ? args[0] : null;
        if (debug != null) {
          try {
            is = java.nio.file.Files.newInputStream(java.nio.file.Paths.get(debug));
          } catch (Exception e) {
            throw new RuntimeException(e);
          }
        }
        reader = new java.io.BufferedReader(new java.io.InputStreamReader(is), 32768);
        solve();
        out.flush();
        tr((System.currentTimeMillis() - start) + "ms");
      }
    }, "", 64000000).start();
  }

  private static java.io.InputStream is = System.in;
  private static java.io.PrintWriter out = new java.io.PrintWriter(System.out);
  private static java.util.StringTokenizer tokenizer = null;
  private static java.io.BufferedReader reader;

  public static String next() {
    while (tokenizer == null || !tokenizer.hasMoreTokens()) {
      try {
        tokenizer = new java.util.StringTokenizer(reader.readLine());
      } catch (Exception e) {
        throw new RuntimeException(e);
      }
    }
    return tokenizer.nextToken();
  }

  private static double nd() {
    return Double.parseDouble(next());
  }

  private static long nl() {
    return Long.parseLong(next());
  }

  private static int[] na(int n) {
    int[] a = new int[n];
    for (int i = 0; i < n; i++)
      a[i] = ni();
    return a;
  }

  private static char[] ns() {
    return next().toCharArray();
  }

  private static long[] nal(int n) {
    long[] a = new long[n];
    for (int i = 0; i < n; i++)
      a[i] = nl();
    return a;
  }

  private static int[][] ntable(int n, int m) {
    int[][] table = new int[n][m];
    for (int i = 0; i < n; i++) {
      for (int j = 0; j < m; j++) {
        table[i][j] = ni();
      }
    }
    return table;
  }

  private static int[][] nlist(int n, int m) {
    int[][] table = new int[m][n];
    for (int i = 0; i < n; i++) {
      for (int j = 0; j < m; j++) {
        table[j][i] = ni();
      }
    }
    return table;
  }

  private static int ni() {
    return Integer.parseInt(next());
  }

  private static void tr(Object... o) {
    if (is != System.in)
      System.out.println(java.util.Arrays.deepToString(o));
  }
}



Measured memory_bytes: 128828