#include <iostream>
#include <iomanip>

using namespace std;

int main() {
  long double pi=3.141592653589793238462643383279502884197169399375105820974944592;
  long i, j;

  cout << setbase(8);

  for (j=20;j<40;j+=5) {
    for (i=5;i<j;i++) {
      cout << setw(2*i+1) << setprecision( i) << pi << endl;
    }
    for (i=j-1;i>=5;i--) {
      cout.precision(i);
      cout << setw(2*i+1) << pi << endl;
    }
  }

  return 0;
}