int green_1 = 25;
int orange_1=26;
int red_1=27;
int green_2 = 17;
int orange_2=18;
int red_2=19;
void setup() {
  Serial.begin(115200);
  pinMode(green_1, OUTPUT);
  pinMode(orange_1, OUTPUT);
  pinMode(red_1, OUTPUT);
   pinMode(green_2, OUTPUT);
  pinMode(orange_2, OUTPUT);
  pinMode(red_2, OUTPUT);
}

void loop() {
  digitalWrite(green_1, HIGH);
 digitalWrite(red_2, HIGH);
 delay(5000);
 digitalWrite(green_1,LOW);
 digitalWrite(red_2, LOW);

  digitalWrite(orange_1, HIGH) ; 
  digitalWrite(orange_2, HIGH);
  delay(2500);
   digitalWrite(orange_1,LOW);
 digitalWrite(orange_2, LOW);

  digitalWrite(red_1, HIGH);
 digitalWrite(green_2, HIGH);
 delay(5000);
 digitalWrite(red_1,LOW);
 digitalWrite(green_2, LOW);

 digitalWrite(orange_1, HIGH) ; 
  digitalWrite(orange_2, HIGH);
  delay(2500);
   digitalWrite(orange_1,LOW);
 digitalWrite(orange_2, LOW);
  
  
}