#include<iostream>
#include<algorithm>
#include<cmath>
#include<vector>
using namespace std;
int main()
{
int a[10000];
int N, m, n;
cin >> N;
for (int i = sqrt(N) + 1; i > 0; i--)
if (N%i == 0)
{
m = i; n = N / i; break;
}
if (m < n) swap(m, n);
vector<vector<int>>b(m + 1);
for (int i = 0; i <= m; i++)
b[i].resize(n + 1);
for (int i = 0; i < N; i++)
cin >> a[i];
sort(a, a + N, greater<int>());
int i = 1, j = 0, count = 0;
while (N != count)
{
while (j < n&&b[i][j + 1] == 0) b[i][++j] = a[count++];
while (i < m&&b[i + 1][j] == 0)b[++i][j] = a[count++];
while (j > 1 && b[i][j - 1] == 0)b[i][--j] = a[count++];
while (i > 1 && b[i - 1][j] == 0)b[--i][j] = a[count++];
}
for (int i = 1; i <= m; i++)
{
cout << b[i][1];
for (int j = 2; j <= n; j++)
cout << " " << b[i][j];
cout << endl;
}
system("pause");
return 0;
}