9
 8
 6
 4
 7
 5
 2

1  2  3  4  5  6  7  8 
2  4  6  8 11 13 15 17 
3  6 10 13 16 20 23 26 
4  8 13 17 22 26 31 35 
5 11 16 22 27 33 38 44 
6 13 20 26 33 40 46 53 
7 15 23 31 38 46 54 62 
8 17 26 35 44 53 62 71 
 1  2  3  4  5  6  7 
2  4  6 10 12 14 16 
3  6 11 14 17 22 25 
4 10 14 20 24 30 34 
5 12 17 24 31 36 43 
6 14 22 30 36 44 52 
7 16 25 34 43 52 61 
 1  2  3  4  5 
2  4 10 12 14 
3 10 13 20 23 
4 12 20 24 32 
5 14 23 32 41 
 1  2  3 
2 10 12 
3 12 21 
 1  2  3  4  5  6 
2  4  6 11 13 15 
3  6 12 15 21 24 
4 11 15 22 26 33 
5 13 21 26 34 42 
6 15 24 33 42 51 
 1  2  3  4 
2  4 11 13 
3 11 14 22 
4 13 22 31 
 1 

#include <bits/stdc++.h>
using namespace std;
int k;
int read() {
  static int res;
  static char op;
  do op = getchar();
  while (op > '9' || op < '0');
  for (res = 0; op >= '0' && op <= '9'; op = getchar())
    res = res * 10 + (op ^ 48);
  return res;
}
int calc(int x) {
  static int sta[11], top, res;
  for (top = 0; x; x /= k) sta[++top] = x % k;
  for (res = 0; top; --top) res = res * 10 + sta[top];
  return res;
}
signed main(int argc, char **argv) {
  k = read();
  for (int i = 1; i < k; ++i) printf("%d ", i);
  for (int i = 2, j; i < k; ++i) {
    printf("\n%d", i);
    for (j = 2; j < k; ++j) printf(" %d", calc(i * j));
  }
  return 0;
}
