#include "bits/stdc++.h"
#pragma warning(disable:4996)
using namespace std;
#define int long long
#define rep(i,n) for(int i=0;i<n;i++)
typedef pair<int, int> P;
int a[1005][1005];
vector<P>pos[1005];

signed main() {
	int n; cin >> n;

	rep(i, n) {
		rep(j, n) {
			cin >> a[i][j];
			a[i][j]--;
			pos[a[i][j]].push_back(P(i, j));
		}
	}

	int ans = 0;

	rep(i, n) {
		vector<int>imos(n + 1);
		assert(pos[i].size() == n);
		rep(j, n) {
			int x = pos[i][j].first, y = pos[i][j].second;
			imos[0]--;
			imos[max(x - y,0ll)]++;
			imos[min(x + y + 1,n)]++;
			imos[n]--;
		}
		rep(j, n)imos[j + 1] += imos[j];
		int pos2 = 0;
		rep(j, n-1) {
			if (imos[j] < 0 && imos[j + 1] >= 0) {
				pos2 = j + 1; break;
			}
		}
		rep(j, n) {
			int x = pos[i][j].first, y = pos[i][j].second;
			ans += max(abs(x - pos2), y);
		}
	}
	cout << ans << endl;
}