#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using Edge = pair<int, int>;
using Graph = vector<vector<Edge>>;
#define REP(i, n) for (int i = 0; i < (n); ++i)
#define SORT(v) sort((v).begin(), (v).end())
#define RSORT(v) sort((v).rbegin(), (v).rend())
const ll MOD = 1000000007;
const ll nmax = 8;
const ll INF = 1e9;
bool graph[nmax][nmax];
vector<vector<ll>> dist = vector<vector<ll>>(nmax, vector<ll>(nmax, INF));
void warshall_floyd(ll n)
{
    for (size_t i = 0; i < n; i++)
    {
        for (size_t j = 0; j < n; j++)
        {
            for (size_t k = 0; k < n; k++)
            {
                dist[j][k] = min(dist[j][k], dist[j][i] + dist[i][k]);
            }
        }
    }
}


class UnionFind
{
public:
    vector<ll> Parent;

    UnionFind(ll N)
    {
        Parent = vector<ll>(N, -1);
    }
    ll find(ll A)
    {
        if (Parent[A] < 0)
            return A;
        return Parent[A] = find(Parent[A]);
    }

    ll size(ll A)
    {
        return -Parent[find(A)];
    }

    bool Union(ll A, ll B)
    {
        A = find(A);
        B = find(B);
        if (A == B)
        {
            return false;
        }
        if (size(A) < size(B))
            swap(A, B);

        Parent[A] += Parent[B];
        Parent[B] = A;

        return true;
    }
};

ll gcd(ll a, ll b)
{
    if (b == 0)
        return a;
    return gcd(b, a % b);
}

ll lcm(ll a, ll b)
{
    ll g = gcd(a, b);
    return a / g * b;
}

ll mulMod(ll a, ll b)
{
    return (((a % MOD) * (b % MOD)) % MOD);
}

ll powMod(ll a, ll p)
{
    if (p == 0)
    {
        return 1;
    }
    else if (p % 2 == 0)
    {
        ll half = powMod(a, p / 2);
        return mulMod(half, half);
    }
    else
    {
        return mulMod(powMod(a, p - 1), a);
    }
}

ll ceil(ll a, ll b)
{
    return (a + b - 1) / b;
}

void solve(long long H, long long W, std::vector<std::vector<long long>> A, std::vector<std::vector<long long>> B)
{
}

int main()
{
    long long H;
    scanf("%lld", &H);
    long long W;
    scanf("%lld", &W);

    bool dp[80][80][(H+W)*80+10];
    std::fill( dp[0][0], dp[H][0], false );
    std::vector<std::vector<long long>> sub(H, std::vector<long long>(W));

    for (int i = 0; i < H; i++)
    {
        for (int j = 0; j < W; j++)
        {
            ll tmp;
            cin >> tmp;
            sub[i][j] = tmp;
        }
    }
    for (int i = 0; i < H; i++)
    {
        for (int j = 0; j < W; j++)
        {
            ll tmp;
            cin >> tmp;
            sub[i][j] = abs(sub[i][j] - tmp);
        }
    }

    dp[0][0][sub[0][0]] = true;
    for (int i = 0; i < H; i++)
    {
        for (int j = 0; j < W; j++)
        {
            for (int k = 0; k < (H+W)*80+1; k++)
            {
                if (dp[i][j][k])
                {
                    if (i != H - 1)
                    {
                        dp[i + 1][j][k + sub[i+1][j]] = true;
                        dp[i + 1][j][abs(k - sub[i+1][j])] = true;
                    }

                    if (j != W - 1)
                    {
                        dp[i][j + 1][k + sub[i][j+1]] = true;
                        dp[i][j + 1][abs(k - sub[i][j+1])] = true;
                    }
                }
            }
        }
    }

    for (int k = 0; k < 12810; k++)
    {
        if (dp[H - 1][W - 1][k])
        {
            cout << k << endl;
            break;
        }
    }

    return 0;
}


Measured memory_bytes: 80384