#include<stdio.h>
int main()
{
int i,j,n,m,k,l;
for(;;){
scanf("%d",&n);
if(n==0)break;
int arr[n][n];
m=1;
for(i = 0;i < n;i++){
m=i+1;
k=2;
for(j = 0;j <= i;j++,m--){
arr[i][j]=m;
}
for(j=i+1;j<n;j++,k++){
arr[i][j]=k;
}
m++;
}
for(i = 0;i < n;i++){
for(j = 0;j < n;j++){
if(j==0)printf("%3d",arr[i][j]);
else printf(" %3d",arr[i][j]);
}printf("\n");
}printf("\n");
}
return 0;
}
int main()
{
int i,j,n,m,k,l;
for(;;){
scanf("%d",&n);
if(n==0)break;
int arr[n][n];
m=1;
for(i = 0;i < n;i++){
m=i+1;
k=2;
for(j = 0;j <= i;j++,m--){
arr[i][j]=m;
}
for(j=i+1;j<n;j++,k++){
arr[i][j]=k;
}
m++;
}
for(i = 0;i < n;i++){
for(j = 0;j < n;j++){
if(j==0)printf("%3d",arr[i][j]);
else printf(" %3d",arr[i][j]);
}printf("\n");
}printf("\n");
}
return 0;
}
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