#include<stdio.h> int main(int argc,char const*argv[]) { int n,i,j,a[100][100]={0}; scanf("%d",&n); int s=1; int k=n; i=n-1; j=0; int s1=0,s2; while(k) { k--; while(i<=n-1) { a[i][j]=s; s1=i; i++,j++; s++; } i=k; i--;j=0; } for(i=0;i<n;i++) { for(j=0;j<n;j++) { if(a[i][j]!=0) printf("%4d",a[i][j]); } printf("\n"); } }