#include <bits/stdc++.h>
using namespace std;
#define rep(i, n)  for(long long i=0;i<(long long)(n);i++)
#define REP(i,k,n) for(long long i=k;i<(long long)(n);i++)
#define all(a) a.begin(),a.end()
#define pb emplace_back
#define eb emplace_back
#define lb(v,k) (lower_bound(all(v),k)-v.begin())
#define ub(v,k) (upper_bound(all(v),k)-v.begin())
#define fi first
#define se second
#define pi M_PI
#define PQ(T) priority_queue<T>
#define SPQ(T) priority_queue<T,vector<T>,greater<T>>
#define dame(a) {out(a);return 0;}
#define decimal cout<<fixed<<setprecision(15);
#define dupli(a) erase(unique(all(a)),a.end())
typedef long long ll;
typedef pair<ll,ll> P;
typedef tuple<ll,ll,ll> PP;
typedef tuple<ll,ll,ll,ll> PPP;
typedef multiset<ll> S;
using vi=vector<ll>;
using vvi=vector<vi>;
using vvvi=vector<vvi>;
using vp=vector<P>;
using vvp=vector<vp>;
using vb=vector<bool>;
using vvb=vector<vb>;
const ll inf=1001001001001001001;
const int INF=1001001001;
const int mod=1000000007;
const double eps=1e-10;
template<class T> bool chmin(T&a,T b){if(a>b){a=b;return true;}return false;}
template<class T> bool chmax(T&a,T b){if(a<b){a=b;return true;}return false;}
template<class T> void out(T a){cout<<a<<'\n';}
template<class T> void outp(T a){cout<<'('<<a.fi<<','<<a.se<<')'<<'\n';}
template<class T> void outvp(T v){rep(i,v.size())cout<<'('<<v[i].fi<<','<<v[i].se<<')';cout<<'\n';}
template<class T> void outvvp(T v){rep(i,v.size())outvp(v[i]);}
template<class T> void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout<<v[i];}cout<<'\n';}
template<class T> void outvv(T v){rep(i,v.size())outv(v[i]);}
template<class T> bool isin(T x,T l,T r){return (l)<=(x)&&(x)<=(r);}
template<class T> void yesno(T b){if(b)out("yes");else out("no");}
template<class T> void YesNo(T b){if(b)out("Yes");else out("No");}
template<class T> void YESNO(T b){if(b)out("YES");else out("NO");}
template<class T> void noyes(T b){if(b)out("no");else out("yes");}
template<class T> void NoYes(T b){if(b)out("No");else out("Yes");}
template<class T> void NOYES(T b){if(b)out("NO");else out("YES");}
void outs(ll a,ll b){if(a>=inf-100)out(b);else out(a);}
ll gcd(ll a,ll b){if(b==0)return a;return gcd(b,a%b);}
ll modpow(ll a,ll b){a%=mod;if(b==0)return 1;if(b&1)return a*modpow(a,b-1)%mod;ll k=modpow(a,b/2);return k*k%mod;}
vi dx={0,0,1,-1},dy={1,-1,0,0};
int main(){
    ll n;cin>>n;
    vvi dp(n+2,vi(n+2));
    REP(i,1,n+1)REP(j,1,n+1){
        dp[i][j]=min(min(i,n+1-i),min(j,n+1-j));
    }
    vi v(n*n);
    rep(i,n*n)cin>>v[i];
    ll sum=0;
    vvi done(n+2,vi(n+2,1));
    rep(k,n*n){
        ll x=(v[k]-1)/n+1,y=(v[k]-1)%n+1;
        done[x][y]--;
        sum+=dp[x][y]-1;
        dp[x][y]--;
        queue<P> q;
        q.push(P(x,y));
        while(!q.empty()){
            auto t=q.front();q.pop();
            // outp(t);
            ll xx=t.fi,yy=t.se;
            rep(i,4){
                ll nx=xx+dx[i],ny=yy+dy[i];
                if(isin(nx,1ll,n)&&isin(ny,1ll,n)){
                    bool change=false;
                    rep(j,4)if(chmin(dp[nx][ny],dp[nx+dx[j]][ny+dy[j]]+done[nx][ny]))change=true;
                    if(change){
                        q.push(P(nx,ny));
                    }
                }
            }
        }
    }
    out(sum);
}

Measured memory_bytes: 9336