#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using VI = vector<ll>;
using VV = vector<VI>;
using VS = vector<string>;
using PII = pair<ll, ll>;

// tourist set
template <typename A, typename B>
string to_string(pair<A, B> p);

template <typename A, typename B, typename C>
string to_string(tuple<A, B, C> p);

template <typename A, typename B, typename C, typename D>
string to_string(tuple<A, B, C, D> p);

string to_string(const string& s) {
  return '"' + s + '"';
}

string to_string(const char* s) {
  return to_string((string) s);
}

string to_string(bool b) {
  return (b ? "true" : "false");
}

string to_string(vector<bool> v) {
  bool first = true;
  string res = "{";
  for (int i = 0; i < static_cast<int>(v.size()); i++) {
    if (!first) {
      res += ", ";
    }
    first = false;
    res += to_string(v[i]);
  }
  res += "}";
  return res;
}

template <size_t N>
string to_string(bitset<N> v) {
  string res = "";
  for (size_t i = 0; i < N; i++) {
    res += static_cast<char>('0' + v[i]);
  }
  return res;
}

template <typename A>
string to_string(A v) {
  bool first = true;
  string res = "{";
  for (const auto &x : v) {
    if (!first) {
      res += ", ";
    }
    first = false;
    res += to_string(x);
  }
  res += "}";
  return res;
}

template <typename A, typename B>
string to_string(pair<A, B> p) {
  return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";
}

template <typename A, typename B, typename C>
string to_string(tuple<A, B, C> p) {
  return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ")";
}

template <typename A, typename B, typename C, typename D>
string to_string(tuple<A, B, C, D> p) {
  return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ", " + to_string(get<3>(p)) + ")";
}

void debug_out() { cerr << '\n'; }

template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
  cerr << " " << to_string(H);
  debug_out(T...);
}

#ifdef LOCAL
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif
// tourist set end

template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }

#define FOR(i,a,b) for(ll i=(a);i<(b);++i)
#define rep(i,b) FOR(i, 0, b)
#define ALL(v) (v).begin(), (v).end()
#define p(s) cout<<(s)<<'\n'
#define p2(s, t) cout << (s) << " " << (t) << '\n'
#define br() p("")
#define pn(s) cout << (#s) << " " << (s) << '\n'
#define p_yes() p("YES")
#define p_no() p("NO")
#define SZ(x) ((int)(x).size())
#define SORT(A) sort(ALL(A))
#define RSORT(A) sort(ALL(A), greater<ll>())
#define MP make_pair

void no(){p_no(); exit(0);}
void yes(){p_yes(); exit(0);}

const ll mod = 1e9 + 7;
const ll inf = 1e18;
const double PI = acos(-1);

ll A[90][90];
ll B[90][90];
ll C[90][90];

bool dp[85][85][6500*2];

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);

    // input
    ll H,W;cin>>H>>W;

    rep(i, H){
      rep(j, W){
        cin>>A[i][j];
      }
    }

    rep(i, H){
      rep(j, W){
        cin>>B[i][j];
      }
    }

    rep(i, H){
      rep(j, W){
        C[i][j] = abs(A[i][j] - B[i][j]);
      }
    }

    ll a = C[0][0];
    dp[0][0][a] = true;
    
    // 上1行
    FOR(i, 1, W){
      rep(v, 6500*2){
        if(dp[0][i-1][v]){
          a = v + C[0][i];
          dp[0][i][a] = true;
          a = abs(v - C[0][i]);
          dp[0][i][a] = true;
        }
      }
    }

    // 左一列
    FOR(i, 1, H){
      rep(v, 6500*2){
        if(dp[i-1][0][v]){
          a = v + C[i][0];
          dp[i][0][a] = true;
          a = abs(v - C[i][0]);
          dp[i][0][a] = true;
        }
      }
    }

    FOR(i, 1, H){
      FOR(j, 1, W){
        // 左からの
        rep(v, 6500*2){
          if(dp[i][j-1][v]){
            a = v + C[i][j];
            dp[i][j][a] = true;
            a = abs(v - C[i][j]);
            dp[i][j][a] = true;
          }
        }
        // 上からの
        rep(v, 6500*2){
          if(dp[i-1][j][v]){
            a = v + C[i][j];
            dp[i][j][a] = true;
            a = abs(v - C[i][j]);
            dp[i][j][a] = true;
          }
        }
      }
    }

    rep(v, 6500*2){
      if(dp[H-1][W-1][v]){
        p(v); return 0;
      }
    }
    
    return 0;
}


Measured memory_bytes: 87552