include <stdio.h>

int main() { //freopen("triangle.in","r",stdin); //freopen("triangle.out","w",stdout);

int a[105][105];
for (int i = 0; i < 105; i++) {
	for (int j = 0; j < 105; j++) {
		a[i][j] = 0;
	}
}
int n, k = -1, m = 1;
scanf("%d", &n);
int t = n ;
for (int i = 0; i < n; i++) {
	int r = 0;
	k++;
	for (int j = k; j >= 0; j--) {
		a[r][j] = m;
		r++;
		m++;
	}
}
for (int i = 0; i < n; i++) {
	for (int j = 0; j < n; j++) {
		printf("%5d", a[i][j]);
		if (j == t - 1) {
			printf("\n");
			t--;
			break;
		}
	}
}
return 0;

}