String combine(char[] array) {
  String result = "";
  for (int i = array.length - 1; i >= 0; i--) {
    result += array[i];
  }
  return result;
}

void setup() {
  size(400, 200);
  int numCharacters = 12; // Change to your chosen value
  char[] randomCharacters = populate(numCharacters);
  if (randomCharacters != null) {
    textAlign(CENTER, CENTER);
    textSize(20);
    
    // Display original array
    String originalString = "";
    for (int i = 0; i < randomCharacters.length; i++) {
      originalString += randomCharacters[i];
      text(randomCharacters[i], 20 + i * 20, height / 2 - 20);
    }
    
    // Display combined string (reversed)
    String reversedString = combine(randomCharacters);
    text("Reversed: " + reversedString, width / 2, height / 2 + 20);
  }
}

char[] populate(int numCharacters) {
  // Check if the number of characters is within the specified range
  if (numCharacters < 11 || numCharacters > 59) {
    println("Number of characters should be between 11 and 59");
    return null;
  }
  
  char[] array = new char[numCharacters];
  for (int i = 0; i < numCharacters; i++) {
    array[i] = char(floor(random(97, 123))); // Random character from 'a' to 'z' in ASCII
  }
  return array;
}