int led0=A0;
int led1=A1;
int led2=A2;
int led3=A3;
int led4=A4;
int led5=A5;
int led6=13;
int led7=12;
int led8=2;

int led9=3;
int led10=4;
int led11=5;
int led12=6;
int led13=7;
int led14=8;
int led15=9;
int led16=10;
int led17=11;


void setup() {
  // put your setup code here, to run once:
pinMode(led0, OUTPUT);
pinMode(led1, OUTPUT);
pinMode(led2, OUTPUT);
pinMode(led3, OUTPUT);
pinMode(led4, OUTPUT);
pinMode(led5, OUTPUT);
pinMode(led6, OUTPUT);
pinMode(led7, OUTPUT);
pinMode(led8, OUTPUT);
}

void loop() {
  // bawah
digitalWrite(led0, HIGH);
digitalWrite(led1,HIGH);
digitalWrite(led2, HIGH);
delay(100);
digitalWrite(led0,LOW);
digitalWrite(led1, LOW);
digitalWrite(led2, LOW);
delay(100);

digitalWrite(led3, HIGH);
digitalWrite(led4, HIGH);
digitalWrite(led5,HIGH);
delay(100);
digitalWrite(led3, LOW);
digitalWrite(led4,LOW);
digitalWrite(led5, LOW);
delay(100);

digitalWrite(led6, HIGH);
digitalWrite(led7, HIGH);
digitalWrite(led8, HIGH);
delay(100);
digitalWrite(led6, LOW);
digitalWrite(led7, LOW);
digitalWrite(led8, LOW);
delay(100);

//atas
digitalWrite(led15, HIGH);
digitalWrite(led16, HIGH);
digitalWrite(led17, HIGH);
delay(100);
digitalWrite(led15, LOW);
digitalWrite(led16, LOW);
digitalWrite(led17, LOW);
delay(100);

digitalWrite(led12, HIGH);
digitalWrite(led13, HIGH);
digitalWrite(led14, HIGH);
delay(100);
digitalWrite(led12, LOW);
digitalWrite(led13, LOW);
digitalWrite(led14, LOW);
delay(100);

digitalWrite(led9, HIGH);
digitalWrite(led10, HIGH);
digitalWrite(led11,HIGH);
delay(100);
digitalWrite(led9, LOW);
digitalWrite(led10, LOW);
digitalWrite(led11, LOW);
delay(100);




digitalWrite(led0, HIGH);
digitalWrite(led3, HIGH);
digitalWrite(led6,HIGH);
delay(100);
digitalWrite(led0, LOW);
digitalWrite(led3, LOW);
digitalWrite(led6, LOW);
delay(100);


digitalWrite(led1, HIGH);
digitalWrite(led4, HIGH);
digitalWrite(led7,HIGH);
delay(100);
digitalWrite(led1, LOW);
digitalWrite(led4, LOW);
digitalWrite(led7, LOW);
delay(100);


digitalWrite(led2, HIGH);
digitalWrite(led5, HIGH);
digitalWrite(led8,HIGH);
delay(100);
digitalWrite(led2, LOW);
digitalWrite(led5, LOW);
digitalWrite(led8, LOW);
delay(100);


digitalWrite(led11, HIGH);
digitalWrite(led14, HIGH);
digitalWrite(led17,HIGH);
delay(100);
digitalWrite(led11, LOW);
digitalWrite(led14, LOW);
digitalWrite(led17, LOW);
delay(100);

digitalWrite(led10, HIGH);
digitalWrite(led13, HIGH);
digitalWrite(led16,HIGH);
delay(100);
digitalWrite(led10, LOW);
digitalWrite(led13, LOW);
digitalWrite(led16, LOW);
delay(100);

digitalWrite(led9, HIGH);
digitalWrite(led12, HIGH);
digitalWrite(led15,HIGH);
delay(100);
digitalWrite(led9, LOW);
digitalWrite(led12, LOW);
digitalWrite(led15, LOW);
delay(100);





}