#include <bits/stdc++.h>

using namespace std;

#define BUG cout << "HERE IS A BUG !!!!\n"

#define endl '\n'
#define ll long long
const int N = 1010;

int n, m;
map<int, vector<pair<int, int>>> a;
int main(){
    cin >> n >> m;
    for (int i = 1; i <= n; i ++){
        for (int j = 1; j <= m; j ++){
            int x;
            cin >> x;
            a[x].push_back({i,j});
        }
    }
    ll ans=0;
    for(auto [b, a] : a){
        for(int j=0;j<a.size();j++){
            for(int k=j+1;k<a.size();k++){
                ans=ans+abs(a[j].first-a[k].first)+abs(a[j].second-a[k].second);
            }
        }
    }
    cout<<ans*2;

}