/*** author: yuji9511 ***/
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using lpair = pair<ll, ll>;
const ll MOD = 1e9+7;
const ll INF = 1e18;
#define rep(i,m,n) for(ll i=(m);i<(n);i++)
#define rrep(i,m,n) for(ll i=(m);i>=(n);i--)
#define printa(x,n) for(ll i=0;i<n;i++){cout<<(x[i])<<" \n"[i==n-1];};
void print() {}
template <class H,class... T>
void print(H&& h, T&&... t){cout<<h<<" \n"[sizeof...(t)==0];print(forward<T>(t)...);}

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);
    ll N;
    cin >> N;
    ll A[1010][1010];
    rep(i,0,N){
        rep(j,0,N){
            cin >> A[i][j];
            A[i][j]--;
        }
    }
    if(N == 1){
        print(0);
        return 0;
    }
    vector<lpair> pos[1010];
    rep(i,0,N){
        rep(j,0,N){
            pos[A[i][j]].push_back({i,j});
        }
    }
    ll ans = 0;
    rep(i,0,N){
        ll lb = 0, ub = N+1;
        while(ub - lb > 2){
            ll t1 = (2 * lb + ub) / 3;
            ll t2 = (2 * ub + lb) / 3;
            ll res1 = 0, res2 = 0;
            for(auto &e: pos[i]){
                ll diff_x = abs(t1 - e.first);
                res1 += min(diff_x, e.second) + abs(diff_x - e.second);
                diff_x = abs(t2 - e.first);
                res2 += min(diff_x, e.second) + abs(diff_x - e.second);
            } 
            if(res1 <= res2){
                ub = t2;
            }else{
                lb = t1;
            }
        }
        ll min_val = INF;
        for(ll p = max(0LL, lb-1); p < min(N-1, ub+1); p++){
            ll res = 0;
            for(auto &e: pos[i]){
                ll diff_x = abs(p - e.first);
                res += min(diff_x, e.second) + abs(diff_x - e.second);
            }
            min_val = min(min_val, res);
            
        }
        ans += min_val;

    }
    print(ans);

}