#include<stdio.h>
int main() {
    int n,mid;
    scanf("%d",&n);
    if(n<0){
        printf("Invali Input");
    }
    mid=n/2;
    for(int i=0;i<=mid;i++){
        int spaces=mid-i;
        int nums=2*i+1;
    for(int j=1;j<=nums;j++){
        printf("%d",j);
    }
    printf("\n";)
    }
    for(int i=mid-1;i>=0;i--){
        int spaces=mid-i;
        int nums=2*i+1;
    for(int s=0;s<spaces;s++){
        printf(" ");
    }
    for(int j=1;j<=nums;j++){
        printf("%d",j);
    }
    printf("\n";)
    }

}