void setup() {
  int most_factors = 0;
  IntList anti_primes = new IntList();
  int n = 1;
  while (anti_primes.size() < 20) {
    int counter = 1;
    for (int i = 1; i <= n / 2; i++) {
      if (n % i == 0) {
        counter++;
      }
    }
    if (counter > most_factors) {
      anti_primes.append(n);
      most_factors = counter;
    }
    n++;
  }
  for (int num : anti_primes) {
    print(num + " ");
  }
}