// Original C++ solution (slower):
//include

//------------------------------------------

#include <vector>

#include <list>

#include <map>

#include <unordered_map>

#include <climits>

#include <set>

#include <unordered_set>

#include <deque>

#include <stack>

#include <bitset>

#include <algorithm>

#include <functional>

#include <numeric>

#include <utility>

#include <sstream>

#include <iostream>

#include <iomanip>

#include <cstdio>

#include <cmath>

#include <cstdlib>

#include <cctype>

#include <string>

#include <cstring>

#include <ctime>

#include <queue>

#include <random>

#include <chrono>

#include <complex>

#include <regex>

#include <locale>

#include <random>

#include <cassert>

#include <type_traits>



using namespace std;



// typedef

//------------------------------------------

typedef long long LL;

typedef vector<int> VI;

typedef vector<bool> VB;

typedef vector<char> VC;

typedef vector<double> VD;

typedef vector<string> VS;

typedef vector<LL> VLL;

typedef vector<VI> VVI;

typedef vector<VB> VVB;

typedef vector<VS> VVS;

typedef vector<VLL> VVLL;

typedef vector<VVI> VVVI;

typedef vector<VVLL> VVVLL;

typedef pair<int, int> PII;

typedef pair<LL, LL> PLL;

typedef pair<int, string> PIS;

typedef pair<string, int> PSI;

typedef pair<string, string> PSS;

typedef vector<PII> VPII;

typedef vector<PLL> VPLL;

typedef vector<VPII> VVPII;

typedef vector<VPLL> VVPLL;

typedef vector<VS> VVS;

typedef map<int, int> MII;

typedef map<LL, LL> MLL;

typedef map<string, int> MSI;

typedef map<int, string> MIS;



// to-method

//------------------------------------------

inline int toInt(string s) {

    int v;

    istringstream sin(s);

    sin >> v;

    return v;

}



inline LL toLongLong(string s) {

    LL v;

    istringstream sin(s);

    sin >> v;

    return v;

}



template<class T>

inline string toString(T x) {

    ostringstream sout;

    sout << x;

    return sout.str();

}



inline VC toVC(string s) {

    VC data(s.begin(), s.end());

    return data;

}







// container util

//------------------------------------------

#define ALL(a)  (a).begin(),(a).end()

#define SZ(a) int((a).size())

#define EACH(i, arr) for(typeof((arr).begin()) i=(arr).begin(); i!=(arr).end(); ++i)

#define EXIST(str, e) ((str).find(e)!=(str).end())

#define COUNT(arr, v) count((arr).begin(), (arr).end(), v)

#define SEARCH(v, w) search((v).begin(), (v).end(), (w).begin(), (w).end())

#define SORT(c) sort((c).begin(),(c).end())

#define RSORT(c) sort((c).rbegin(),(c).rend())

#define REVERSE(c) reverse((c).begin(), (c).end())

#define ROTATE_LEFT(arr, c) rotate((arr).begin(), (arr).begin()+(c), (arr).end())

#define ROTATE_RIGHT(arr, c) rotate((arr).rbegin(), (arr).rbegin() + (c), (arr).rend())

#define SUMI(arr) accumulate((arr).begin(), (arr).end(), 0)

#define SUMD(arr) accumulate((arr).begin(), (arr).end(), 0.)

#define SUMLL(arr) accumulate((arr).begin(), (arr).end(), 0LL)

#define SUMS(arr) accumulate((arr).begin(), (arr).end(), string())

#define MULD(arr) accumulate((arr).begin(), (arr).end(), 1., multiplies<double>())

#define MULLL(arr) accumulate((arr).begin(), (arr).end(), 1LL, multiplies<long long>())

#define UB(arr, n) upper_bound((arr).begin(), (arr).end(), n)

#define LB(arr, n) lower_bound((arr).begin(), (arr).end(), n)

#define OF_ALL(arr, func) all_of((arr).begin(), (arr).end(), (func))

#define OF_NONE(arr, func) none_of((arr).begin(), (arr).end(), (func))

#define OF_ANY(arr, func) any_of((arr).begin(), (arr).end(), (func))

#define PB push_back

#define MP make_pair

#define ft first

#define sd second







// input output

//------------------------------------------

#define GL(s) getline(cin, (s))

#define INIT() std::ios::sync_with_stdio(false);std::cin.tie(0)

#define OUT(d) std::cout<<(d)

#define OUT_L(d) std::cout<<(d)<<endl

#define FOUT(n, data) std::cout<<std::fixed<<std::setprecision(n)<<(data)

#define FOUT_L(n, data) std::cout<<std::fixed<<std::setprecision(n)<<(data)<<"\n"

#define EL() printf("\n")

#define SHOW_VECTOR(v) {std::cerr << #v << "\t:";for(const auto& xxx : v){std::cerr << xxx << " ";}std::cerr << "\n";}

#define SHOW_MAP(v) {std::cerr << #v << endl; for(const auto& xxx: v){std::cerr << xxx.first << " " << xxx.second << "\n";}}

#define Yes() printf("Yes\n")

#define No() printf("No\n")

#define YES() printf("YES\n")

#define NO() printf("NO\n")

#define Yay() printf("Yay!\n")

#define Nnn() printf(":(\n")





template<typename T1, typename T2>

istream &operator>>(istream &in, pair<T1, T2> &p) {

    in >> p.first >> p.second;

    return in;

}



template<typename T>

istream &operator>>(istream &in, vector<T> &v) {

    for (auto &x: v)

        in >> x;

    return in;

}





template<typename T1, typename T2>

ostream &operator<<(ostream &out, const std::pair<T1, T2> &p) {

    out << "[" << p.first << ", " << p.second << "]" << "\n";

    return out;

}





//repetition

//------------------------------------------

#define FOR(i, a, b) for(int i=(a);i<(b);++i)

#define RFOR(i, a, b) for(int i=(b)-1;i>=(a);--i)

#define REP(i, n)  FOR(i,0,n)

#define RREP(i, n) for(int i = n-1;i >= 0;i--)

#define FORLL(i, a, b) for(LL i=LL(a);i<LL(b);++i)

#define RFORLL(i, a, b) for(LL i=LL(b)-1;i>=LL(a);--i)

#define REPLL(i, n) for(LL i=0;i<LL(n);++i)

#define RREPLL(i, n) for(LL i=LL(n)-1;i>=0;--i)

#define FOREACH(x, arr) for(auto &(x) : (arr))

#define FORITER(x, arr) for(auto (x) = (arr).begin(); (x) != (arr).end(); ++(x))



template<class T>

void chmin(T &a, const T b) { a = min(a, b); }

template<class T>

void chmax(T &a, const T b) { a = max(a, b); }



//------------------------------------------

//------------------------------------------



constexpr int MAX = 13000;



int main() {



    int H, W;

    cin >> H >> W;



    vector<vector<int>> A(H, vector<int>(W));

    vector<vector<int>> B(H, vector<int>(W));



    for (int i = 0; i < H; i++) for (int j = 0; j < W; j++) cin >> A[i][j];

    for (int i = 0; i < H; i++) for (int j = 0; j < W; j++) cin >> B[i][j];



    vector<vector<int>> C(H, vector<int>(W));

    for (int i = 0; i < H; i++) for (int j = 0; j < W; j++) C[i][j] = abs(A[i][j] - B[i][j]);



    vector<vector<vector<int>>> dp(H, vector<vector<int>>(W, vector<int>(MAX, 0)));

    dp[0][0][C[0][0]] = 1;



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

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

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

                if (dp[i][j][k] == 0) continue;

                if (i + 1 < H) {

                    if (k + C[i + 1][j] < MAX) {

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

                    }

                    dp[i + 1][j][abs(k - C[i + 1][j])] = 1;

                }

                if (j + 1 < W) {

                    if (k + C[i][j + 1] < MAX) {

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

                    }

                    dp[i][j + 1][abs(k - C[i][j + 1])] = 1;

                }

            }

        }

    }



    int ans = INT_MAX;

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

        if (dp[H - 1][W - 1][i]) {

            ans = min(ans, i);

        }

    }

    cout << ans << endl;





}


























































































// Optimized solution to the same problem (faster):
//include

//------------------------------------------

#include <vector>

#include <list>

#include <map>

#include <unordered_map>

#include <climits>

#include <set>

#include <unordered_set>

#include <deque>

#include <stack>

#include <bitset>

#include <algorithm>

#include <functional>

#include <numeric>

#include <utility>

#include <sstream>

#include <iostream>

#include <iomanip>

#include <cstdio>

#include <cmath>

#include <cstdlib>

#include <cctype>

#include <string>

#include <cstring>

#include <ctime>

#include <queue>

#include <random>

#include <chrono>

#include <complex>

#include <regex>

#include <locale>

#include <random>

#include <cassert>

#include <type_traits>



using namespace std;



// typedef

//------------------------------------------

typedef long long LL;

typedef vector<int> VI;

typedef vector<bool> VB;

typedef vector<char> VC;

typedef vector<double> VD;

typedef vector<string> VS;

typedef vector<LL> VLL;

typedef vector<VI> VVI;

typedef vector<VB> VVB;

typedef vector<VS> VVS;

typedef vector<VLL> VVLL;

typedef vector<VVI> VVVI;

typedef vector<VVLL> VVVLL;

typedef pair<int, int> PII;

typedef pair<LL, LL> PLL;

typedef pair<int, string> PIS;

typedef pair<string, int> PSI;

typedef pair<string, string> PSS;

typedef vector<PII> VPII;

typedef vector<PLL> VPLL;

typedef vector<VPII> VVPII;

typedef vector<VPLL> VVPLL;

typedef vector<VS> VVS;

typedef map<int, int> MII;

typedef map<LL, LL> MLL;

typedef map<string, int> MSI;

typedef map<int, string> MIS;



// to-method

//------------------------------------------

inline int toInt(string s) {

    int v;

    istringstream sin(s);

    sin >> v;

    return v;

}



inline LL toLongLong(string s) {

    LL v;

    istringstream sin(s);

    sin >> v;

    return v;

}



template<class T>

inline string toString(T x) {

    ostringstream sout;

    sout << x;

    return sout.str();

}



inline VC toVC(string s) {

    VC data(s.begin(), s.end());

    return data;

}







// container util

//------------------------------------------

#define ALL(a)  (a).begin(),(a).end()

#define SZ(a) int((a).size())

#define EACH(i, arr) for(typeof((arr).begin()) i=(arr).begin(); i!=(arr).end(); ++i)

#define EXIST(str, e) ((str).find(e)!=(str).end())

#define COUNT(arr, v) count((arr).begin(), (arr).end(), v)

#define SEARCH(v, w) search((v).begin(), (v).end(), (w).begin(), (w).end())

#define SORT(c) sort((c).begin(),(c).end())

#define RSORT(c) sort((c).rbegin(),(c).rend())

#define REVERSE(c) reverse((c).begin(), (c).end())

#define ROTATE_LEFT(arr, c) rotate((arr).begin(), (arr).begin()+(c), (arr).end())

#define ROTATE_RIGHT(arr, c) rotate((arr).rbegin(), (arr).rbegin() + (c), (arr).rend())

#define SUMI(arr) accumulate((arr).begin(), (arr).end(), 0)

#define SUMD(arr) accumulate((arr).begin(), (arr).end(), 0.)

#define SUMLL(arr) accumulate((arr).begin(), (arr).end(), 0LL)

#define SUMS(arr) accumulate((arr).begin(), (arr).end(), string())

#define MULD(arr) accumulate((arr).begin(), (arr).end(), 1., multiplies<double>())

#define MULLL(arr) accumulate((arr).begin(), (arr).end(), 1LL, multiplies<long long>())

#define UB(arr, n) upper_bound((arr).begin(), (arr).end(), n)

#define LB(arr, n) lower_bound((arr).begin(), (arr).end(), n)

#define OF_ALL(arr, func) all_of((arr).begin(), (arr).end(), (func))

#define OF_NONE(arr, func) none_of((arr).begin(), (arr).end(), (func))

#define OF_ANY(arr, func) any_of((arr).begin(), (arr).end(), (func))

#define PB push_back

#define MP make_pair

#define ft first

#define sd second







// input output

//------------------------------------------

#define GL(s) getline(cin, (s))

#define INIT() std::ios::sync_with_stdio(false);std::cin.tie(0)

#define OUT(d) std::cout<<(d)

#define OUT_L(d) std::cout<<(d)<<endl

#define FOUT(n, data) std::cout<<std::fixed<<std::setprecision(n)<<(data)

#define FOUT_L(n, data) std::cout<<std::fixed<<std::setprecision(n)<<(data)<<"\n"

#define EL() printf("\n")

#define SHOW_VECTOR(v) {std::cerr << #v << "\t:";for(const auto& xxx : v){std::cerr << xxx << " ";}std::cerr << "\n";}

#define SHOW_MAP(v) {std::cerr << #v << endl; for(const auto& xxx: v){std::cerr << xxx.first << " " << xxx.second << "\n";}}

#define Yes() printf("Yes\n")

#define No() printf("No\n")

#define YES() printf("YES\n")

#define NO() printf("NO\n")

#define Yay() printf("Yay!\n")

#define Nnn() printf(":(\n")





template<typename T1, typename T2>

istream &operator>>(istream &in, pair<T1, T2> &p) {

    in >> p.first >> p.second;

    return in;

}



template<typename T>

istream &operator>>(istream &in, vector<T> &v) {

    for (auto &x: v)

        in >> x;

    return in;

}





template<typename T1, typename T2>

ostream &operator<<(ostream &out, const std::pair<T1, T2> &p) {

    out << "[" << p.first << ", " << p.second << "]" << "\n";

    return out;

}





//repetition

//------------------------------------------

#define FOR(i, a, b) for(int i=(a);i<(b);++i)

#define RFOR(i, a, b) for(int i=(b)-1;i>=(a);--i)

#define REP(i, n)  FOR(i,0,n)

#define RREP(i, n) for(int i = n-1;i >= 0;i--)

#define FORLL(i, a, b) for(LL i=LL(a);i<LL(b);++i)

#define RFORLL(i, a, b) for(LL i=LL(b)-1;i>=LL(a);--i)

#define REPLL(i, n) for(LL i=0;i<LL(n);++i)

#define RREPLL(i, n) for(LL i=LL(n)-1;i>=0;--i)

#define FOREACH(x, arr) for(auto &(x) : (arr))

#define FORITER(x, arr) for(auto (x) = (arr).begin(); (x) != (arr).end(); ++(x))



template<class T>

void chmin(T &a, const T b) { a = min(a, b); }

template<class T>

void chmax(T &a, const T b) { a = max(a, b); }



//------------------------------------------

//------------------------------------------



constexpr int MAX = 13000;

constexpr int HF = MAX / 2;



int main() {



    int H, W;

    cin >> H >> W;



    vector<vector<int>> A(H, vector<int>(W));

    vector<vector<int>> B(H, vector<int>(W));



    for (int i = 0; i < H; i++) for (int j = 0; j < W; j++) cin >> A[i][j];

    for (int i = 0; i < H; i++) for (int j = 0; j < W; j++) cin >> B[i][j];



    vector<vector<int>> C(H, vector<int>(W));

    for (int i = 0; i < H; i++) for (int j = 0; j < W; j++) C[i][j] = abs(A[i][j] - B[i][j]);



    vector<vector<bitset<MAX>>> dp(H, vector<bitset<MAX>>(W));

    dp[0][0][HF + C[0][0]] = true;



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

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

            if (i) dp[i][j] |= dp[i - 1][j] >> C[i][j];

            if (i) dp[i][j] |= dp[i - 1][j] << C[i][j];

            if (j) dp[i][j] |= dp[i][j - 1] >> C[i][j];

            if (j) dp[i][j] |= dp[i][j - 1] << C[i][j];

        }

    }



    int ans = INT_MAX;

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

        if (dp[H - 1][W - 1][i]) {

            chmin(ans, abs(HF - i));

        }

    }



    cout << ans << endl;



}


























































































// Fastest known solution for this problem: