int r1 = 11, y1 = 12, g1 = 13, r2 = 4, y2 = 5, g2 = 6;
void setup() {
  pinMode(r1, OUTPUT);
  pinMode(y1, OUTPUT);
  pinMode(g1, OUTPUT);
  pinMode(r2, OUTPUT);
  pinMode(y2, OUTPUT);
  pinMode(g2, OUTPUT);
}
void loop() {
  digitalWrite(r2, HIGH);
  digitalWrite(g1, HIGH);
  digitalWrite(r2, LOW);
  digitalWrite(g1, LOW);
  digitalWrite(y1, LOW);
  digitalWrite(y2, LOW);
  delay(5000);
  digitalWrite(r1, LOW);
  digitalWrite(g2, LOW);
  digitalWrite(r2, LOW);
  digitalWrite(g1, HIGH);
  digitalWrite(y1, HIGH);
  digitalWrite(y2, HIGH);
  delay(1000);
  digitalWrite(y1, LOW);
  digitalWrite(y2, LOW);
  digitalWrite(g1, HIGH);
  digitalWrite(r2, HIGH);
  digitalWrite(g2, LOW);
  digitalWrite(r1, LOW);
  delay(5000);
}