#include<bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef vector<ll> vll;
typedef vector<vector<ll>> vvll;
typedef vector<vector<vector<ll>>> vvvll;
typedef vector<bool> vb;
typedef vector<vector<bool>> vvb;
typedef vector<vector<vector<bool>>> vvvb;
typedef pair<ll, ll> pll;
typedef vector<pll> vpll;
typedef vector<vpll> vvpll;
typedef vector<double> vd;
typedef vector<vd> vdd;

#define FOR(i,x,y) for(ll i=(ll)x; i<(ll)y; ++i)
#define REP(i,y) FOR(i, 0, y)
#define RFOR(i,x,y) for(ll i=(ll)x; i>=(ll)y; --i)
#define RREP(i,x) RFOR(i, x, 0)
#define ALL(a) a.begin(), a.end()
#define pb push_back
#define debug_print(x...) cerr << "line " << __LINE__ << " : "; debug_print_in(x);

template <typename First>
void debug_print_in(First first){
  cerr << first << endl;
  return;
}

template <typename First, typename... Rest>
void debug_print_in(First first, Rest... rest){
  cerr << first << " ";
  debug_print_in(rest...);
  return;
}

void IN(void){
  return;
}

template <typename First, typename... Rest>
void IN(First& first, Rest&... rest){
  cin >> first;
  IN(rest...);
  return;
}

template <typename First>
void OUT(First first){
  cout << first << endl;
  return;
}

template <typename First, typename... Rest>
void OUT(First first, Rest... rest){
  cout << first << " ";
  OUT(rest...);
  return;
}

template<class t, class u> void chmax(t&a,u b){if(a<b)a=b;};
template<class t, class u> void chmin(t&a,u b){if(a>b)a=b;};
int popcount(int t){return __builtin_popcount(t);} //GCC
int popcount(ll t){return __builtin_popcountll(t);} //GCC

template <typename T>
void vec_print(vector<T> VEC){
  REP(i, VEC.size()){
    cerr << VEC[i] << " ";
  }
  cerr << endl;
};

template <typename T>
void mat_print(vector<vector<T> > MAT){
  REP(i,MAT.size()){
    REP(j,MAT[i].size()){
      cerr << MAT[i][j] << " ";
    }
    cerr << endl;
  }
};

constexpr int INF = (1<<30);
constexpr ll INFLL = 1LL<<62;
constexpr long double EPS = 1e-12;
constexpr ll MOD = (ll)((1E+9)+7);

ll H, W;
vvll A;
vvll B;
vvll C;

vvvb DP;

int main(){
  cin.tie(0); // cut the cin and cout (default, std::flush is performed after std::cin)
  ios::sync_with_stdio(false); // cut the iostream and stdio (DON'T endl; BUT "\n";)

  IN(H,W);
  A.resize(H, vll(W, 0));
  B.resize(H, vll(W, 0));
  C.resize(H, vll(W, 0));
  REP(i,H){
    REP(j,W) IN(A[i][j]);
  }
  ll M = 0;
  REP(i,H){
    REP(j,W){
      IN(B[i][j]);
      C[i][j] = abs(A[i][j]-B[i][j]);
      chmax(M, C[i][j]);
    }
  }

  //mat_print(C);

  //vector<vector<vector<bool>>> DP(H, vector<vector<bool>>(W, vector<bool>((H+W)*(M+1), false)));
  ll L = (H+W)*(M+1);
  DP.resize(H, vvb(W, vb(L, false)));
  DP[0][0][C[0][0]] = true;
  REP(i,H){
    REP(j,W){
      REP(k,L){
        //debug_print(i,j,k,L);
        if(i<H-1){
          ll tmp1 = abs(k+C[i+1][j]);
          ll tmp2 = abs(k-C[i+1][j]);
          //debug_print(tmp1, tmp2, (H+W)*(M+1));
          //debug_print(DP[i][j][k], DP[i+1][j][tmp1], DP[i][j][k]|DP[i+1][j][tmp1]);
          /*
          DP[i+1][j][tmp1] |= DP[i][j][k];
          DP[i+1][j][tmp2] |= DP[i][j][k];
          */
          DP[i+1][j][tmp1] = DP[i+1][j][tmp1] | DP[i][j][k];
          DP[i+1][j][tmp2] = DP[i+1][j][tmp2] | DP[i][j][k];
        }
        if(j<W-1){
          ll tmp1 = abs(k+C[i][j+1]);
          ll tmp2 = abs(k-C[i][j+1]);
          //debug_print(tmp1, tmp2, (H+W)*(M+1));
          /*
          DP[i][j+1][tmp1] |= DP[i][j][k];
          DP[i][j+1][tmp2] |= DP[i][j][k];
          */
          DP[i][j+1][tmp1] = DP[i][j+1][tmp1] | DP[i][j][k];
          DP[i][j+1][tmp2] = DP[i][j+1][tmp2] | DP[i][j][k];
        }
      }
    }
  }

  REP(k,(H+M)*(M+1)){
    if(DP[H-1][W-1][k]){
      OUT(k);
      return 0;
    }
  }

  return 0;
}

Measured memory_bytes: 11008