#include <bits/stdc++.h>
using namespace std;
int main(){
  int N;
  cin >> N;
  vector<vector<int>> A(N, vector<int>(N));
  for (int i = 0; i < N; i++){
    for (int j = 0; j < N; j++){
      cin >> A[i][j];
      A[i][j]--;
    }
  }
  vector<vector<pair<int, int>>> P(N);
  for (int i = 0; i < N; i++){
    for (int j = 0; j < N; j++){
      P[A[i][j]].push_back(make_pair(i, j));
    }
  }
  long long total = 0;
  for (int i = 0; i < N; i++){
    //社員iに攻撃
    //1行目のコスト
    int row1 = 0;
    for (int j = 0; j < N; j++){
      row1 += max(P[i][j].first, P[i][j].second);
    }
    //1次imos
    vector<int> d(N + 1, 0);
    for (int j = 0; j < N; j++){
      int r = P[i][j].first;
      int c = P[i][j].second;
      if (r - c > 0){
        //減少
        d[1]--;
        if (r - c + 1 <= N){
          d[r - c + 1]++;
        }
      }
      if (r + c < N - 1){
        //増加
        d[r + c + 1]++;
        d[N]--;
      }
    }
    //累積和
    for (int j = 0; j < N; j++){
      d[j + 1] += d[j];
    }
    for (int j = 0; j < N; j++){
      d[j + 1] += d[j];
    }
    int ans = row1;
    for (int j = 0; j < N; j++){
      ans = min(ans, row1 + d[j]);
    }
    total += ans;
  }
  cout << total << endl;
}