#include <fstream>
#include <cmath>
#define N 105
using namespace std;
ifstream fin("spirala1.in");
ofstream fout("spirala1.out");
int a[N][N], v[N*N];
int n, S;

int main()
{
    int i, j;
    fin>>n;
    for(i=1;i<=n;i++)fin>>v[i];
    n=sqrt(n);///nr de linii si col
    ///parcurgrea in spirala in sens invers
    int k=0;
    for(int c=1;c<=n/2+1; c++)
    {
        ///coloana c
        for(i=c;i<=n-c+1;i++)a[i][c]=v[++k];
        ///linia n-c+1
        for(j=c+1; j<=n-c+1;j++)a[n-c+1][j]=v[++k];
        /// coloana n-c+1
        for(i=n-c;i>=c;i--) a[i][n-c+1]=v[++k];
        ///linia c
        for(j=n-c;j>c;j--) a[c][j]=v[++k];
    }
    //afisare matrice
    for(i=1;i<=n;i++,fout<<"\n")
        for(j=1;j<=n;j++)
            fout<<a[i][j]<<" ";
    return 0;
}