#include<stdio.h>
int main()
{
int n,i,j,m=1,b;
scanf("%d",&n);
for(i=0;i<n;++i)
{
for(j=0;j<n;++j)
{
if(j<=i)
b=m;
else
b=0;
if(j<=i)
m=m+1;
printf("%d",b);
if(j!=n-1)
printf(",");
}
printf("\n");
}
}