void setup() {
    // Set pin 5–12 sebagai output
      for (int pin = 5; pin <= 12; pin++) {
          pinMode(pin, OUTPUT);
            }
            }

            void loop() {
              // Pola 1
                digitalWrite(5, HIGH);
                  digitalWrite(6, HIGH);
                    digitalWrite(7, HIGH);
                      digitalWrite(8, HIGH);
                        digitalWrite(9, LOW);
                          digitalWrite(10, LOW);
                            digitalWrite(11, LOW);
                              digitalWrite(12, LOW);
                                delay(1000);

                                  digitalWrite(5, LOW);
                                    digitalWrite(6, LOW);
                                      digitalWrite(7, LOW);
                                        digitalWrite(8, LOW);
                                          digitalWrite(9, HIGH);
                                            digitalWrite(10, HIGH);
                                              digitalWrite(11, HIGH);
                                                digitalWrite(12, HIGH);
                                                  delay(1000);

                                                    // Pola 2
                                                      digitalWrite(5, HIGH);
                                                        digitalWrite(6, HIGH);
                                                          digitalWrite(7, LOW);
                                                            digitalWrite(8, LOW);
                                                              digitalWrite(9, HIGH);
                                                                digitalWrite(10, HIGH);
                                                                  digitalWrite(11, LOW);
                                                                    digitalWrite(12, LOW);
                                                                      delay(1000);

                                                                        digitalWrite(5, LOW);
                                                                          digitalWrite(6, LOW);
                                                                            digitalWrite(7, HIGH);
                                                                              digitalWrite(8, HIGH);
                                                                                digitalWrite(9, LOW);
                                                                                  digitalWrite(10, LOW);
                                                                                    digitalWrite(11, HIGH);
                                                                                      digitalWrite(12, HIGH);
                                                                                        delay(1000);
                                                                                        }