const int ledPinPR1 = 2 ;
const int ledPinPR2 = 3 ;
const int ledPinPG1 = 4 ;
const int ledPinPG2 = 5 ;
const int ledPinDR1 = 7 ;
const int ledPinDR2 = 8 ;
const int ledPinDY1 = 9 ;
const int ledPinDY2 = 10 ;
const int ledPinDG1 = 11 ;
const int ledPinDG2 = 12 ;
void setup() {
  // put your setup code here, to run once:
pinMode (ledPinPR1, OUTPUT);
pinMode (ledPinPR2, OUTPUT);
pinMode (ledPinPG1, OUTPUT);
pinMode (ledPinPG2, OUTPUT);
pinMode (ledPinDR1, OUTPUT);
pinMode (ledPinDR2, OUTPUT);
pinMode (ledPinDY1, OUTPUT);
pinMode (ledPinDY2, OUTPUT);
pinMode (ledPinDG1, OUTPUT);
pinMode (ledPinDG2, OUTPUT);
}
void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(ledPinPR1, HIGH);
digitalWrite(ledPinPG2, HIGH);
digitalWrite(ledPinDR2, HIGH);
digitalWrite(ledPinDG1, HIGH);
delay(3000);
digitalWrite(ledPinPR2, HIGH);
digitalWrite(ledPinPG2, LOW);
delay(1000);
digitalWrite(ledPinDG1, LOW);
digitalWrite(ledPinDY1, HIGH);
digitalWrite(ledPinDY2, HIGH);
digitalWrite(ledPinPR1, LOW);
digitalWrite(ledPinPG1, HIGH);
delay(1000);
digitalWrite(ledPinDY1, LOW);
digitalWrite(ledPinDY2, LOW);
digitalWrite(ledPinDG2, HIGH);
digitalWrite(ledPinDR1, HIGH);
digitalWrite(ledPinDR2, LOW);
delay(3000);
digitalWrite(ledPinDY1, HIGH);
digitalWrite(ledPinDG2, LOW);
digitalWrite(ledPinDY2, HIGH);
delay(1000);
digitalWrite(ledPinDR1, LOW);
digitalWrite(ledPinDY1, LOW);
digitalWrite(ledPinDG1, HIGH);
digitalWrite(ledPinDY2, LOW);
digitalWrite(ledPinDR2, HIGH);
delay(1000);
digitalWrite(ledPinPR2, LOW);
digitalWrite(ledPinPG1, LOW);
delay(1000);
}