int pin1 = 2; 
int pin2 = 3; 
int pin3 = 4; 

int pin4 = 8; 
int pin5 = 9;
int pin6 = 10;

void setup() {
  // put your setup code here, to run once:
pinMode(2, OUTPUT);
pinMode(3, OUTPUT);
pinMode(4, OUTPUT);

pinMode(8, OUTPUT);
pinMode(9, OUTPUT);
pinMode(10, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(pin1, LOW);
digitalWrite(pin2, LOW);
digitalWrite(pin3, LOW);
digitalWrite(pin4, LOW);
digitalWrite(pin5, LOW);
digitalWrite(pin6, LOW);
delay(3000);

digitalWrite(pin1, HIGH);
digitalWrite(pin2, LOW);
digitalWrite(pin3, LOW);

digitalWrite(pin4, LOW);
digitalWrite(pin5, LOW);
digitalWrite(pin6, HIGH);
delay(30000);

digitalWrite(pin1, LOW);
digitalWrite(pin2, HIGH);
digitalWrite(pin3, LOW);

digitalWrite(pin4, HIGH);
digitalWrite(pin5, HIGH);
digitalWrite(pin6, HIGH);
delay(2000);

digitalWrite(pin1, LOW);
digitalWrite(pin2, LOW);
digitalWrite(pin3, HIGH);
delay(30000);
}