#include <stdlib.h>
#include <stdio.h>

int main() {
  int n;
  printf("Enter size of table: ");
  scanf("%d",&n);
  int i,j;
  for (i=0; i<n; i++) {
    for (j=0; j<n; j++) {
      printf("%3d",i&j);
    }
    printf("\n");
  }
  return EXIT_SUCCESS;
}