#include <fstream>
using namespace std;
ifstream f("scmax.in");
ofstream g("scmax.out");

int main()
{
    int i,j,n,p=0,q=0;
    f >> n;
    int v[n],u[n],a[n][n];

    for(i=0;i<n;i++)
        f >> v[i];

    for(i=1;i<n;i++)
        for(j=0;j<=i;j++)
            if(v[j]<v[i])a[i][j]=1;
                else a[i][j]=0;

    for(i=0;i<n;i++)
    {
        for(j=0;j<n;j++)
            if(i>j)g << a[i][j] << " ";
                else g << "0 ";
        g << endl;
    }
    g << endl;

     for(j=n-2;j>=0;j--)
        for(i=j+1;i<n-p;i++)
            if(a[i][j]==1)
            {
                p++;
                u[p]=j;
            }
    q=p;
    for(i=u[1];i<n;i++)
        if( v[i]>v[u[1]] )u[0]=i;

    for(i=0;i<p;i++)
        g << u[i] << " ";
        g << endl;

    g << q << endl;
    for(i=p;i>=0;i--)
        g << v[u[i]] << " ";




    return 0;
}