#include <iostream>

using namespace std;
int n,j,i,a[101][101];
int main()
{cin>>n;
for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
    if(j<i) a[i][j]=1;
else if(j>i) a[i][j]=2;
else a[i][j]=0;
for(i=1;i<=n;i++)
{for(j=1;j<=n;j++)
cout<<a[i][j]<<" ";
cout<<'\n';
}
    return 0;
}