const int green1 =0;
int yellow1 = 1;
int red1 = 2;

int green2 = 3;
int yellow2 = 4;
int red2 = 5;

int green3 = 6;
int yellow3 = 7;
int red3 = 8;

int green4 = 9;
int yellow4 = 10;
int red4 = 11;


void setup() {
  // put your setup code here, to run once:
pinMode(green1, OUTPUT);
pinMode(yellow1, OUTPUT);
pinMode(red1, OUTPUT);

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

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

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

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(red1, HIGH);
digitalWrite(red2, HIGH);
digitalWrite(red4, HIGH);
digitalWrite(green3, HIGH);
delay(60000);
digitalWrite(green3, LOW);

digitalWrite(yellow3, HIGH);
delay(3000);
digitalWrite(yellow3, LOW);

digitalWrite(red3, HIGH);
digitalWrite(red4, LOW);
digitalWrite(green4, HIGH);
delay(2000);
digitalWrite(green4, LOW);

digitalWrite(yellow4, HIGH);
delay(3000);
digitalWrite(yellow4, LOW);

digitalWrite(red4, HIGH);
digitalWrite(red2, LOW);
digitalWrite(green2, HIGH);
delay(60000);
digitalWrite(green2, LOW);

digitalWrite(yellow2, HIGH);
delay(3000);
digitalWrite(yellow2, LOW);

digitalWrite(red2, HIGH);
digitalWrite(red1, LOW);
digitalWrite(green1, HIGH);
delay(60000);
digitalWrite(green1, LOW);

digitalWrite(yellow1, HIGH);
delay(3000);
digitalWrite(yellow1, LOW);
digitalWrite(red3, LOW);


}