void setup() {
  // put your setup code here, to run once:
DDRD=B11111111;
}

void loop() {
  // put your main code here, to run repeatedly:
PORTD=B00111111;
delay(300); 
PORTD=B00000110;
delay(300);
PORTD=B11011011;
delay(300);
PORTD=B11001111;
delay(300);
PORTD=B11100110;
delay(300);
PORTD=B11101101;
delay(300);
PORTD=B11111101;
delay(300);
PORTD=B10000111;
delay(300);
PORTD=B11111111;
delay(300);
PORTD=B11101111;
delay(300);
}