svoid ai_makeRegexpLanguageDetectorsFromRandomNGrams(S lang1, S lang2, int n) {
  LanguageDetectionTask task = dm_languageDetectionTask(lang1, lang2);
  print(task.task());
  
  Set<S> seen = ciSet();
  new DynamicTopTen<S> tt;
  
  repeat 1000 {
    S re = firstNotSeen_nAttempts(1000, seen, () -> regexpQuote_useBackslashes(randomNGram(n, random(task.pos)));
    if (re == null) break with print("Can't find any new regexps");
    tt.add(re, scoreRegexpIC(re, task.pos, task.neg));
  }
  
  pnl(tt.withScores());
  dm_saveLanguageDetectionRegexps(task, tt);
}