void setup() {
 pinMode(18, OUTPUT);
 pinMode(16, OUTPUT);
 pinMode(17, OUTPUT);
 pinMode(15, OUTPUT);
 pinMode(32, OUTPUT);
 pinMode(33, OUTPUT);
 pinMode(25, OUTPUT);
 pinMode(26, OUTPUT);
}
void loop() {
 digitalWrite(18, HIGH);
 delay(1000);
  digitalWrite(16, HIGH);
 delay(1000);
 digitalWrite(17, HIGH);
 delay(1000);
  digitalWrite(15, HIGH);
 delay(1000);
 digitalWrite(32, HIGH);
 delay(1000);
  digitalWrite(33, HIGH);
 delay(1000);
  digitalWrite(25, HIGH);
 delay(1000);
 digitalWrite(26, HIGH);
 delay(1000);
  digitalWrite(18, LOW);
 digitalWrite(16, LOW);
 digitalWrite(17, LOW);
 digitalWrite(15, LOW);
 digitalWrite(32, LOW);
 digitalWrite(33, LOW);
 digitalWrite(25, LOW);
 digitalWrite(26, LOW);
 delay(1000);
}