#include<stdio.h>
int main() {
    int n, i, j;
    if(scanf("%d", &n) != 1 || n < 0 || n > 10) {
        printf("Invalid Input\n");
        return 1;
    }
    for (i = 1; i < 2 * n; i++){
        int row = (i <= n) ? n - i + 1: i - n + 1;
        for (j = 0; j < n - row; j++) printf("");
        for (j = n; j >= row; j--)printf("%d", j);
        for (j = row + 1; j <= n; j++) printf("%d", j);
        printf("\n");
    }
    return 0;
}