int lampu1=1;
int lampu2=2;
int lampu3=3;
int lampu4=4;
int lampu5=5;
int lampu6=6;
void setup() {
  // put your setup code here, to run once:
pinMode(lampu1, OUTPUT);
pinMode(lampu2, OUTPUT);
pinMode(lampu3, OUTPUT);
pinMode(lampu4, OUTPUT);
pinMode(lampu5, OUTPUT);
pinMode(lampu6, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(lampu3, HIGH);
digitalWrite(lampu4, HIGH);
delay(5000);
digitalWrite(lampu2, HIGH);
digitalWrite(lampu5, HIGH);
delay(5000);
digitalWrite(lampu3, LOW);
digitalWrite(lampu4, LOW);
digitalWrite(lampu2, LOW);
digitalWrite(lampu5, LOW);
digitalWrite(lampu1, HIGH);
digitalWrite(lampu6, HIGH);
delay(2000);
digitalWrite(lampu1, LOW);
digitalWrite(lampu6, LOW);
}