const int ledGreenRight = 2;  
const int ledYellowRight = 3; 
const int ledRedRight  = 4;  

const int ledGreenLeft = 8;  
const int ledYellowLeft = 9; 
const int ledRedLeft = 10;   

void setup() {
  pinMode(ledRedRight, OUTPUT);  
  pinMode(ledYellowRight, OUTPUT);  
  pinMode(ledGreenRight, OUTPUT);  

  pinMode(ledRedLeft, OUTPUT);   
  pinMode(ledYellowLeft, OUTPUT);  
  pinMode(ledGreenLeft, OUTPUT);  
}

void loop() {
  // إطفاء جميع الأضواء قبل البدء
  digitalWrite(ledGreenRight, LOW);
  digitalWrite(ledYellowRight, LOW);
  digitalWrite(ledRedRight, LOW);
  digitalWrite(ledGreenLeft, LOW);
  digitalWrite(ledYellowLeft, LOW);
  digitalWrite(ledRedLeft, LOW);

  digitalWrite(ledRedRight, HIGH);
  delay(500);
  
 
  digitalWrite(ledGreenLeft, HIGH);
  for (int i = 0; i < 4; i++) { 
    digitalWrite(ledGreenLeft, LOW);
    delay(400); 
    digitalWrite(ledGreenLeft, HIGH);
    delay(100); 
  }
  digitalWrite(ledGreenLeft, LOW);

  digitalWrite(ledYellowLeft, HIGH);
  delay(1100);
  digitalWrite(ledYellowLeft, LOW);
digitalWrite(ledRedRight, LOW);

  digitalWrite(ledRedLeft, HIGH);
  delay(500); 
  digitalWrite(ledGreenRight, HIGH);
  for (int i = 0; i < 4; i++) {  
    digitalWrite(ledGreenRight, LOW);
    delay(400);
    digitalWrite(ledGreenRight, HIGH);
    delay(100);
  }
  digitalWrite(ledGreenRight, LOW);

  digitalWrite(ledYellowRight, HIGH);
  delay(1100);
  digitalWrite(ledYellowRight, LOW);
digitalWrite(ledRedLeft, LOW);
  digitalWrite(ledRedRight, HIGH);
  delay(100); 
  digitalWrite(ledRedRight, LOW);
}