LED_cascade v2

void setup() {
 pinMode(2, OUTPUT);
 pinMode(3, OUTPUT);
 pinMode(4, OUTPUT);
 pinMode(5, OUTPUT);
 pinMode(6, OUTPUT);
 pinMode(7, OUTPUT);
 pinMode(8, OUTPUT);
 pinMode(9, OUTPUT);
 pinMode(10, OUTPUT);
 pinMode(11, OUTPUT);
 pinMode(12, OUTPUT);
 pinMode(13, OUTPUT);
 pinMode(16, INPUT);
 //Serial.begin(9600);

}

int ledDelay = 0;
int LED1 = 2;
int AnalogR = 0;



void loop() {
  ledDelay = map(analogRead(0), 0 , 1023, 1, 1000);
  digitalWrite(LED1, HIGH);
  Serial.println(ledDelay);
  delay(ledDelay);
  digitalWrite(LED1, LOW);
  LED1 = 1 + LED1;
   if (LED1 >= 12){
   while(LED1 > 2){
   ledDelay = map(analogRead(0), 0 , 1023, 1, 1000);
   digitalWrite(LED1, HIGH);
   Serial.println(ledDelay);
   delay(ledDelay);
   digitalWrite(LED1, LOW);
   LED1 = LED1 - 1;
    }
  }
}