#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);
		vector<int>imos1(n + 1), imos2(n + 1);
		assert(pos[I].size() == n);
		rep(j, n) {
			int x = pos[I][j].first, y = pos[I][j].second;
			imos1[0]++;
			imos1[max(x - y,0ll)]--;
			imos2[min(x + y + 1,n)]++;
			imos2[n]--;
		}
		rep(i, n) {
			imos1[i + 1] += imos1[i];
			imos2[i + 1] += imos2[i];
		}
		for (int i = n; i > 0; i--)imos1[i - 1] += imos1[i];
		rep(i, n)imos2[i + 1] += imos2[i];
		rep(i, n)imos[i] = imos1[i] + imos2[i];
		
		int pos2, mx = 1e17;
		rep(i, n) {
			if (mx > imos[i]) {
				mx = imos[i]; pos2 = i;
			}
		}

		rep(j, n) {
			int x = pos[I][j].first, y = pos[I][j].second;
			ans += max(abs(x - pos2), y);
		}
	}
	cout << ans << endl;
}