// declaration
int ledblue1 =9;
int ledblue2 =8;
int ledgreen1 =7;
int ledgreen2 =6;
int ledred1 =5;
int ledred2 =4;
int ledwhite1 =3;
int ledwhite2 =2;


// Initialisation
void setup() {
  // put your setup code here, to run once:

pinMode(ledblue1, OUTPUT);
pinMode(ledblue2, OUTPUT);
pinMode(ledgreen1, OUTPUT);
pinMode(ledgreen2, OUTPUT);
pinMode(ledred1, OUTPUT);
pinMode(ledred2, OUTPUT);
pinMode(ledwhite1, OUTPUT);
pinMode(ledwhite2, OUTPUT);
}


void loop() {
  // put your main code here, to run repeatedly:

digitalWrite(ledgreen1, HIGH);
digitalWrite(ledgreen2, HIGH);
delay(5000);
digitalWrite(ledgreen1, LOW);
digitalWrite(ledgreen2, LOW);

digitalWrite(ledred1, HIGH);
digitalWrite(ledred2, HIGH);
delay(5000);
digitalWrite(ledred1, LOW);
digitalWrite(ledred2, LOW);

digitalWrite(ledblue1, HIGH);
digitalWrite(ledblue2, HIGH);
delay(5000);
digitalWrite(ledblue1, LOW);
digitalWrite(ledblue2, LOW);

digitalWrite(ledwhite1, HIGH);
digitalWrite(ledwhite2, HIGH);
delay(5000);
digitalWrite(ledwhite1, LOW);
digitalWrite(ledwhite2, LOW);
}