int red = 11;
int yellow = 10;
int green = 9;
int red2 = 6;
int yellow2 = 5;
int green2 = 3;


void setup() {
  pinMode(red, OUTPUT);
  pinMode(yellow, OUTPUT);
  pinMode(green, OUTPUT);
  pinMode(red2, OUTPUT);
  pinMode(yellow2, OUTPUT);
  pinMode(green2, OUTPUT);


}

void loop() {
  digitalWrite(red, HIGH);       digitalWrite(green2, HIGH);           
  delay (2000);                        delay (2000);
  digitalWrite(yellow, HIGH);       digitalWrite(green2, LOW); digitalWrite(yellow2, HIGH);
  delay (1000);                      delay (0);                delay (2000);
  digitalWrite(red, LOW);           
  delay (500);                         
  
  digitalWrite(yellow, LOW);    digitalWrite(yellow2, LOW);
  delay (0);                         delay (0);              
 
  digitalWrite(green, HIGH);       digitalWrite(red2, HIGH);
  delay (1000);                      delay (1500);
  digitalWrite(green, LOW);         digitalWrite(red2, LOW);
  delay (500);                      delay (0);
  

}