int r1 = 10;
int o1 = 12;
int g1 = 13;
int r2 = 4;
int o2 = 3;
int g2 = 2;

void setup() {
  pinMode(r1, OUTPUT);
  pinMode(o1, OUTPUT);
  pinMode(g1, OUTPUT);
  pinMode(r2, OUTPUT);
  pinMode(o2, OUTPUT);
  pinMode(g2, OUTPUT);

  digitalWrite(r1, LOW);
  digitalWrite(o1, LOW);
  digitalWrite(g1, LOW);
  digitalWrite(r2, LOW);
  digitalWrite(o2, LOW);
  digitalWrite(g2, LOW);
}

void loop() {
  digitalWrite(r1, HIGH);
  digitalWrite(g2, HIGH);
  delay(10000);

  digitalWrite(g2, LOW);
  orangeClign(o2);
  digitalWrite(r1, LOW);

  digitalWrite(r2, HIGH);
  digitalWrite(g1, HIGH);
  delay(10000);

  digitalWrite(g1, LOW);
  orangeClign(o1);
  digitalWrite(r2, LOW);
}

void orangeClign(int pin){
  digitalWrite(pin, HIGH);
  delay(500);
  digitalWrite(pin, LOW);

  delay(500);

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

  delay(500);

  digitalWrite(pin, HIGH);
  delay(500);
  digitalWrite(pin, LOW);
}