#include <bits/stdc++.h>
#define REP(i, m, n) for(int i = (int)(m); i < (int)(n); ++i)
#define rep(i, n) REP(i, 0, n)
using namespace std;
using ll = long long;
using ld = long double;
template<class T, class U> inline bool chmax(T &a, const U &b) { if(a < b) { a = b; return true; } return false; }
template<class T, class U> inline bool chmin(T &a, const U &b) { if(a > b) { a = b; return true; } return false; }

using pint = pair<int, int>;
int n, a[1000][1000];

int main() {
  cin.tie(0); ios::sync_with_stdio(false);
  cin >> n;
  vector<vector<pint>> pos(n);
  rep(i, n) rep(j, n) cin >> a[i][j], a[i][j]--;
  rep(i, n) {
    rep(j, n) {
      pos[a[i][j]].push_back({i, j});
    }
  }
  vector<vector<int>> s(n, vector<int>(n+1, 0));
  ll ans = 0;
  rep(i, n) {
    rep(j, n) {
      int l = max(0, pos[i][j].first-pos[i][j].second);
      int r = min(n-1, pos[i][j].first+pos[i][j].second);
      s[i][l]++;
      s[i][r+1]--;
    }
    rep(j, n+1) {
      if(j-1 < 0) continue;
      s[i][j] += s[i][j-1];
    }
    int mx = -1, p = -1;
    rep(j, n) {
      if(chmax(mx, s[i][j])) {
        p = j;
      }
    }
    ll d = 0;
    rep(j, n) {
      d += pos[i][j].second+max(0, abs(pos[i][j].first-p)-pos[i][j].second);
    }
    ans += d;
  }
  cout << ans << '\n';
  return 0;
}