int red1 = 13;   
int yellow1 = 12;  
int green1 = 11;     

int red2 = 10;   
int yellow2 = 9;  
int green2 = 8;    

int red3 = 7;    
int yellow3 = 6;   
int green3 = 5;

int red4 = 2;  
int yellow4 = 3; 
int green4 = 4;    

void setup() {
  // Set the LED pins as OUTPUT
  pinMode(red1, OUTPUT);
  pinMode(yellow1, OUTPUT);
  pinMode(green1, OUTPUT);

  pinMode( red2, OUTPUT);
  pinMode(yellow2, OUTPUT);
  pinMode(green2, OUTPUT);

  pinMode(red3, OUTPUT);
  pinMode(yellow3, OUTPUT);
  pinMode(green3, OUTPUT);

  pinMode(red4, OUTPUT);
  pinMode(yellow4, OUTPUT);
  pinMode(green4, OUTPUT);

  digitalWrite(red1, HIGH);
  digitalWrite(red2, HIGH);
  digitalWrite(red3, HIGH);
  digitalWrite(red4, HIGH);
  delay(500);
}

void loop() {
  // Traffic light sequence for direction 1
  digitalWrite(red2, HIGH);
  digitalWrite(red3, HIGH);
  digitalWrite(red4, HIGH);
  digitalWrite(red1, LOW);
  digitalWrite(green1, HIGH);
  delay(60000);  // Green light for 5 seconds
  digitalWrite(green1, LOW);

  digitalWrite(red2, HIGH);
  digitalWrite(yellow1, HIGH);
  delay(6000);  // Yellow light for 6 seconds
  digitalWrite(yellow1, LOW);

  // No delay after red1

  // Traffic light sequence for direction 2
  digitalWrite(red1, HIGH);
  digitalWrite(red3, HIGH);
  digitalWrite(red4, HIGH);
  delay(100);
  digitalWrite(red2, LOW);
  digitalWrite(green2, HIGH);
  delay(60000);  // Green light for 60 seconds

  digitalWrite(green2, LOW);
  delay(100);
  digitalWrite(red1, HIGH);
  digitalWrite(yellow2, HIGH);
  delay(6000);  // Yellow light for 6 seconds
  digitalWrite(yellow2, LOW);
  digitalWrite(red1, LOW);

  // No delay after red2

  // Traffic light sequence for direction 3
  digitalWrite(red1, HIGH);
  digitalWrite(red2, HIGH);
  digitalWrite(red4, HIGH);
  delay(100);
  digitalWrite(red3, LOW);
  digitalWrite(green3, HIGH);
  delay(60000);  // Green light for 60 seconds

  digitalWrite(green3, LOW);
  delay(100);
  digitalWrite(red1, HIGH);
  digitalWrite(yellow3, HIGH);
  delay(6000);  // Yellow light for 6 seconds
  digitalWrite(yellow3, LOW);
  digitalWrite(red1, LOW);

  // No delay after red3

  // Traffic light sequence for direction 4
  digitalWrite(red1, HIGH);
  digitalWrite(red2, HIGH);
  digitalWrite(red3, HIGH);
  delay(100);
  digitalWrite(red4, LOW);
  digitalWrite(green4, HIGH);
  delay(60000);  // Green light for 60 seconds

  digitalWrite(green4, LOW);
  delay(100);
  digitalWrite(red1, HIGH);
  digitalWrite(yellow4, HIGH);
  delay(6000);  // Yellow light for 6 seconds
  digitalWrite(yellow4, LOW);
  digitalWrite(red1, LOW);

}