int pinLED[]={54,55,56,57,58,59,60,61};
int jumlahPIN = 8;
void setup() {

for (int x = 0; x < jumlahPIN; x++)
{
pinMode(pinLED[x], OUTPUT);
digitalWrite(pinLED[x], HIGH);
}
}
void loop() {
for (int x = 7; x >= 0 ; x--)
{
  digitalWrite(pinLED[x], LOW);
  delay(300);
  digitalWrite(pinLED[x], HIGH);
  delay(300);

  if(x==0){
      for (int i = 0; i < jumlahPIN ; i++)
    {
      digitalWrite(pinLED[i], LOW);
      delay(300);
      digitalWrite(pinLED[i], HIGH);
      delay(300);
    }
  }
}

for (int x = 7; x >= 4 ; x--)
{
  digitalWrite(pinLED[x], LOW);
}
delay(1000);
for (int x = 7; x >= 4 ; x--)
{
  digitalWrite(pinLED[x], HIGH);
}
delay(1000);


for (int x = 3; x >= 0 ; x--)
{
  digitalWrite(pinLED[x], LOW);
}
delay(1000);
for (int x = 3; x >= 0 ; x--)
{
  digitalWrite(pinLED[x], HIGH);
}
delay(1000);
}