void setup()
{

  Serial.begin(115200);
  pinMode(12, OUTPUT);//red 1
  pinMode(14, OUTPUT);//yellow 1
  pinMode(27, OUTPUT);//green 1
  pinMode(26, OUTPUT);//red 2
  pinMode(25, OUTPUT);//yellow 2
  pinMode(33, OUTPUT);//green 2
  pinMode(19, OUTPUT);//red 3
  pinMode(18, OUTPUT);//yellow 3
  pinMode(5, OUTPUT);//green 3
  pinMode(17, OUTPUT);//red 4
  pinMode(16, OUTPUT);//yellow 4
  pinMode(4, OUTPUT);//green 4

}

void loop() 
{
  digitalWrite(12, HIGH);
  digitalWrite(26, HIGH);
  digitalWrite(19, HIGH);
  digitalWrite(4, HIGH);
  delay(1000);
  digitalWrite(12, LOW);
  digitalWrite(26, LOW);
  digitalWrite(19, LOW);
  digitalWrite(4, LOW);
  delay(1000);
  digitalWrite(14, HIGH);
  digitalWrite(25, HIGH);
  digitalWrite(18, HIGH);
  digitalWrite(16, HIGH);
  delay(1000);
  digitalWrite(14, LOW);
  digitalWrite(25, LOW);
  digitalWrite(18, LOW);
  digitalWrite(16, LOW);
  delay(1000);
   digitalWrite(27, HIGH);
  digitalWrite(33, HIGH);
  digitalWrite(5, HIGH);
  digitalWrite(17, HIGH);
  delay(1000);
  digitalWrite(27, LOW);
  digitalWrite(33, LOW);
  digitalWrite(5, LOW);
  digitalWrite(17, LOW);
  delay(1000);
  digitalWrite(14, HIGH);
  digitalWrite(25, HIGH);
  digitalWrite(18, HIGH);
  digitalWrite(16, HIGH);
  delay(1000);
  digitalWrite(14, LOW);
  digitalWrite(25, LOW);
  digitalWrite(18, LOW);
  digitalWrite(16, LOW);
  delay(1000);

  

}