#include <iostream>
#include <vector>
#include <algorithm>
#include <math.h>
#include <set>
#include <map>
#include <queue>
#include <numeric>
#include <deque>
using namespace std;
typedef long long int ll;

int a[1001][1001];
int aa[1001][1001];
vector<pair<int,int>> v[1001];
vector<int> l[1001];
vector<int> r[1001];
int rr[1001];

int main(){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    int n; cin >> n;
    ll res=0;
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            cin >> aa[i][j];
            aa[i][j]--;
            a[n-1-j][n-1-i]=aa[i][j];
        }
    }

    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            //cin >> a[i][j];
            //a[i][j]--;
            int ii=n-1-i;
            res+=ii;
            l[a[i][j]].push_back(j-ii);
            r[a[i][j]].push_back(j+ii);
            rr[a[i][j]]+=max(0,j-ii);
        }
    }
    for(int i=0;i<n;i++){
        sort(l[i].begin(),l[i].end());
        sort(r[i].begin(),r[i].end());
    }
    for(int i=0;i<n;i++){
        int mi=rr[i];
        int nowl=0;
        int nowr=0;
        int leftnow=0;
        int rightnow=n;
        int leftcost=0;
        int rightcost=rr[i];
        while(nowl<n&&l[i][nowl]<=0){
            nowl++;
            rightnow--;
        }
        while(nowr<n&&r[i][nowr]<=0){
            nowr++;
            leftnow++;
        }
        for(int j=1;j<n;j++){
            //printf("%d %d %d\n",mi,leftcost,rightcost );
            leftcost+=leftnow;
            rightcost-=rightnow;
            while(nowl<n&&l[i][nowl]<=j){
                nowl++;
                rightnow--;
            }
            while(nowr<n&&r[i][nowr]<=j){
                leftnow++;
                nowr++;
            }
            mi=min(mi,leftcost+rightcost);
        }
        //printf("%d %d %d\n",mi,leftcost,rightcost);
        //printf("\n");
        res+=mi;
    }
    printf("%lld\n",res);
}