#define verde_1 5
#define amarillo_1 18
#define rojo_1 19

#define verde_2 21
#define amarillo_2 22
#define rojo_2 23

#define verde_3 4
#define amarillo_3 2
#define rojo_3 15

void setup() {
  pinMode(verde_1, OUTPUT);
  pinMode(amarillo_1, OUTPUT);
  pinMode(rojo_1, OUTPUT);
  pinMode(verde_2, OUTPUT);
  pinMode(amarillo_2, OUTPUT);
  pinMode(rojo_2, OUTPUT);
  pinMode(verde_3, OUTPUT);
  pinMode(amarillo_3, OUTPUT);
  pinMode(rojo_3, OUTPUT);
}

void loop(){
  digitalWrite(verde_1, HIGH);
  digitalWrite(amarillo_1, LOW);
  digitalWrite(rojo_1, LOW);
  digitalWrite(verde_2, LOW);
  digitalWrite(amarillo_2, LOW);
  digitalWrite(rojo_2, HIGH);
  digitalWrite(verde_3, LOW);
  digitalWrite(amarillo_3, LOW);
  digitalWrite(rojo_3, HIGH);
  delay(3000);
   
  digitalWrite(verde_1, LOW);
   digitalWrite(verde_1, HIGH);
   delay(500);
    digitalWrite(verde_1, LOW);
   delay(500);
   digitalWrite(verde_1, HIGH);
   delay(500);
   digitalWrite(verde_1, LOW);
   delay(500);
    digitalWrite(verde_1, HIGH);
   delay(500);
   digitalWrite(verde_1, LOW);
   delay(500);

  digitalWrite(amarillo_1, HIGH);
   delay(500);
    digitalWrite(amarillo_1, LOW);
   delay(500);
   digitalWrite(amarillo_1, HIGH);
   delay(500);
   digitalWrite(amarillo_1, LOW);
   delay(500);



 
  digitalWrite(verde_1, LOW);
  digitalWrite(amarillo_1, HIGH);
  digitalWrite(rojo_1, LOW);
  digitalWrite(verde_2, LOW);
  digitalWrite(amarillo_2, LOW);
  digitalWrite(rojo_2, HIGH);
  digitalWrite(verde_3, LOW);
  digitalWrite(amarillo_3, LOW);
  digitalWrite(rojo_3, HIGH);
  delay(3000);

  digitalWrite(verde_1, LOW);
  digitalWrite(amarillo_1, LOW);
  digitalWrite(rojo_1, HIGH);
  digitalWrite(verde_2, HIGH);
  digitalWrite(amarillo_2, LOW);
  digitalWrite(rojo_2, LOW);
  digitalWrite(verde_3, LOW);
  digitalWrite(amarillo_3, LOW);
  digitalWrite(rojo_3, HIGH);
  delay(3000);

digitalWrite(verde_2, LOW);
digitalWrite(verde_2, HIGH);
   delay(500);
    digitalWrite(verde_2, LOW);
   delay(500);
   digitalWrite(verde_2, HIGH);
   delay(500);
   digitalWrite(verde_2, LOW);
   delay(500);
   digitalWrite(verde_2, HIGH);
   delay(500);
   digitalWrite(verde_2, LOW);
   delay(500);
digitalWrite(amarillo_2, HIGH);
   delay(500);
    digitalWrite(amarillo_2, LOW);
   delay(500);
   digitalWrite(amarillo_2, HIGH);
   delay(500);
   digitalWrite(amarillo_2, LOW);
   delay(500);


  digitalWrite(verde_1, LOW);
  digitalWrite(amarillo_1, LOW);
  digitalWrite(rojo_1, HIGH);
  digitalWrite(verde_2, LOW);
  digitalWrite(amarillo_2, HIGH);
  digitalWrite(rojo_2, LOW);
  digitalWrite(verde_3, LOW);
  digitalWrite(amarillo_3, LOW);
  digitalWrite(rojo_3, HIGH);
  delay(3000);

  

  digitalWrite(verde_1, LOW);
  digitalWrite(amarillo_1, LOW);
  digitalWrite(rojo_1, HIGH);
  digitalWrite(verde_2, LOW);
  digitalWrite(amarillo_2, LOW);
  digitalWrite(rojo_2, HIGH);
  digitalWrite(verde_3, HIGH);
  digitalWrite(amarillo_3, LOW);
  digitalWrite(rojo_3, LOW);
  delay(3000);

 digitalWrite(verde_3, LOW);
 digitalWrite(verde_3, HIGH);
   delay(500);
    digitalWrite(verde_3, LOW);
   delay(500);
   digitalWrite(verde_3, HIGH);
   delay(500);
   digitalWrite(verde_3, LOW);
   delay(500); 
   digitalWrite(verde_3, HIGH);
   delay(500);
   digitalWrite(verde_3, LOW);
   delay(500); 
digitalWrite(amarillo_3, HIGH);
   delay(500);
    digitalWrite(amarillo_3, LOW);
   delay(500);
   digitalWrite(amarillo_3, HIGH);
   delay(500);
   digitalWrite(amarillo_3, LOW);
   delay(500); 

  digitalWrite(verde_1, LOW);
  digitalWrite(amarillo_1, LOW);
  digitalWrite(rojo_1, HIGH);
  digitalWrite(verde_2, LOW);
  digitalWrite(amarillo_2, LOW);
  digitalWrite(rojo_2, HIGH);
  digitalWrite(verde_3, LOW);
  digitalWrite(amarillo_3, HIGH);
  digitalWrite(rojo_3, LOW);
  delay(3000);
 
}