int r1 = 13;
int y1 = 12;
int g1 = 11;

int r2 = 10;
int y2 = 9;
int g2 = 8;




void setup() {
  // put your setup code here, to run once:
}

void loop() {

// Green and red
  digitalWrite(r1, HIGH);
  digitalWrite(g2, HIGH);
  delay(2200);
//Yellow and green
  digitalWrite(g2, LOW);
  digitalWrite(y2, HIGH);
  delay(2200);

  digitalWrite(y2, LOW);
  digitalWrite(r1, LOW);
  digitalWrite(g1, HIGH);
  digitalWrite(r2, HIGH);
  delay(2200);

  digitalWrite(y1, HIGH);
  digitalWrite(g1, LOW);
  delay(2200);
  
  digitalWrite(r2, LOW);
  digitalWrite(y1, LOW);




}