#include <bits/stdc++.h>
using namespace std;
int main()
{
int n;
cin>>n;
cout<<2*n-1<<endl;
for (int i=0;i<n;i++)
cout<<1<<' ';
cout<<endl;
for (int i=1;i<n;i++)
{
for (int j=0;j<n;j++)
cout<<(j==i or !j?0:1)<<' ';
cout<<endl;
for (int j=0;j<n;j++)
cout<<(j==i or !j?0:1)<<' ';
cout<<endl;
}
return 0;
}
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