// Slower C++ solution:
#include <bits/stdc++.h>

using namespace std;

const auto start_time = std::chrono::high_resolution_clock::now();

void timecalculater(){

    #ifndef ONLINE_JUDGE

    auto end_time = std::chrono::high_resolution_clock::now();

    std::chrono::duration<double> diff = end_time-start_time;

    cerr<<"Time Taken : "<<diff.count()<<"\n";

    #endif

}

void __print(int x) {cout << x;}

void __print(long x) {cout << x;}

void __print(long long x) {cout << x;}

void __print(unsigned x) {cout << x;}

void __print(unsigned long x) {cout << x;}

void __print(unsigned long long x) {cout << x;}

void __print(float x) {cout << x;}

void __print(double x) {cout << x;}

void __print(long double x) {cout << x;}

void __print(char x) {cout << '\'' << x << '\'';}

void __print(const char *x) {cout << '\"' << x << '\"';}

void __print(const string &x) {cout << '\"' << x << '\"';}

void __print(bool x) {cout << (x ? "true" : "false");}

template<typename T, typename V>

void __print(const pair<T, V> &x) {cout << '{'; __print(x.first); cout << ','; __print(x.second); cout << '}';}

template<typename T>

void __print(const T &x) {int f = 0; cout << '{'; for (auto &i: x) cout << (f++ ? "," : ""), __print(i); cout << "}";}

void _print() {cout << "]\n";}

template <typename T, typename... V>

void _print(T t, V... v) {__print(t); if (sizeof...(v)) cout << ", "; _print(v...);}

#ifndef ONLINE_JUDGE

#define dbg(x...) cout << "[" << #x << "] = ["; _print(x)

#else

#define dbg(x...)

#endif

#define rep(i, n) for(int i = 0; i < (n); ++i)

#define repA(i, a, n) for(int  i = a; i <= (n); ++i)

#define all(x) x.begin(), x.end()

#define sz(x) (int) (x).size()

#define fill(a) memset(a, 0, sizeof(a))

#define fst first

#define snd second

#define mp make_pair

#define pb push_back

#define endl '\n'

typedef long long ll;

typedef pair<int, int> pii;

typedef pair<long long, long long> pll;

typedef vector<int> vi;

typedef vector<double> vd;

typedef vector<long long int> vll;

typedef vector<pii> vii;

ll p=1e9+7;

const int N=2e5+5;

ll power(ll a,ll x){

    if(x<0)return 1;

    ll r=1;

    while(x!=0){

        if(x%2==1){

            r=r*a;r%=p;

        }

        a=a*a;a%=p;

        x=x/2;

    }

    return r;

}

ll mul(ll a,ll b){

    ll t=(a*b);

    if(t>=p)t%=p;

    return t;

}

int main() {

    

    cin.sync_with_stdio(0); cin.tie(0);

    cin.exceptions(cin.failbit);

    int T=1;

    // cin>>T;

    while(T--){

        int h,w;cin>>h>>w;

        int a[h][w],b[h][w];

        rep(i,h)rep(j,w)cin>>a[i][j];

        rep(i,h)rep(j,w)cin>>b[i][j];

        int x=12800;

        bool dp[h][w][2*x];

        memset(dp,0,sizeof(dp));

        int y=a[0][0]-b[0][0];if(y<0)y=-y;

        dp[0][0][y+x]=1;

        dp[0][0][y]=1;

        for(int i=0;i<h;i++){

            for(int j=0;j<w;j++){

                for(int k=0;k<x*2;k++){

                    int y=a[i][j]-b[i][j];if(y<0)y=-y;

                    if(i-1>=0){

                        if(k-y>=0&&dp[i-1][j][k-y]==1)

                        dp[i][j][k]=1;

                        if(k+y<2*x&&dp[i-1][j][k+y]==1)

                        dp[i][j][k]=1;

                    } 

                    if(j-1>=0){

                        if(k-y>=0&&dp[i][j-1][k-y]==1)

                        dp[i][j][k]=1;

                        if(k+y<2*x&&dp[i][j-1][k+y]==1)

                        dp[i][j][k]=1;

                    }

                }

            }

        }

        int ans=2*x;

        rep(i,2*x){

            if(dp[h-1][w-1][i]==1){

                ans=min(ans,abs(i-x));

                // dbg(i);

            }

        }

        cout<<ans<<endl;

    }   

    timecalculater();

    return 0;   

} 

// Faster C++ solution for the same problem (measured speedup: 1.2072740911773259x):
#include <bits/stdc++.h>

using namespace std;



//#define int long long

#define fi first

#define se second

#define sz(x) (int)(x).size()

#define all(x) (x).begin(), (x).end()

#define yn(x) ((x) ? "Yes" : "No")



typedef pair <int, int> ii;

typedef pair <int, ii> iii;



const int siz = 80 + 1;

const int SIZ = 2 * 6400 + 1;

const int mod = 1e9 + 7;

const int maxx = 2e9;

const int MAXX = 1e18;

const string file = "1";



int a[siz][siz];

bool f[siz][siz][SIZ];



int32_t main() {

    ios::sync_with_stdio(0);

    cin.tie(0); cout.tie(0);



//    freopen ((file + ".inp").c_str(), "r", stdin);

//    freopen ((file + ".out").c_str(), "w", stdout);



    int m, n;

    cin >> m >> n;

    for (int i = 1; i <= m; i++) {

        for (int j = 1; j <= n; j++) {

            cin >> a[i][j];

        }

    }



    for (int i = 1; i <= m; i++) {

        for (int j = 1; j <= n; j++) {

            int x;

            cin >> x;



            a[i][j] = abs(a[i][j] - x);

        }

    }



    f[1][1][a[1][1]] = true;

    for (int i = 1; i <= m; i++) {

        for (int j = 1; j <= n; j++) {

            for (int k = 0; k < SIZ; k++) {

                if (f[i][j][k] == true) {

                    if (i < m) {

                        f[i + 1][j][abs(k - a[i + 1][j])] = true;

                        f[i + 1][j][k + a[i + 1][j]] = true;

                    }



                    if (j < n) {

                        f[i][j + 1][abs(k - a[i][j + 1])] = true;

                        f[i][j + 1][k + a[i][j + 1]] = true;

                    }

                }

            }

        }

    }



    for (int k = 0; k < SIZ; k++) {

        if (f[m][n][k] == true) {

            return cout << k << "\n", 0;

        }

    }



//    cerr << "Time: " << 1000 * clock() / CLOCKS_PER_SEC << "ms\n";



    return 0;

}