int pin1 = 13;
int pin2 = 12;
int pin3 = 11;
int pin4 = 10;
int pin5 = 9;
int pin6 = 8;
int pin7 = 7;
void setup() {
  // put your setup code here, to run once:
pinMode(pin1, OUTPUT);
pinMode(pin2, OUTPUT);
pinMode(pin3, OUTPUT);
pinMode(pin4, OUTPUT);
pinMode(pin5, OUTPUT);
pinMode(pin6, OUTPUT);
pinMode(pin7, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(pin1,HIGH);
digitalWrite(pin2,HIGH);
digitalWrite(pin3,LOW);
digitalWrite(pin4,LOW);
digitalWrite(pin5,LOW);
digitalWrite(pin6,LOW);
digitalWrite(pin7,LOW);
delay(200);

digitalWrite(pin1,LOW);
digitalWrite(pin2,HIGH);
digitalWrite(pin3,HIGH);
digitalWrite(pin4,LOW);
digitalWrite(pin5,LOW);
digitalWrite(pin6,LOW);
digitalWrite(pin7,LOW);
delay(200);

digitalWrite(pin1,LOW);
digitalWrite(pin2,LOW);
digitalWrite(pin3,HIGH);
digitalWrite(pin4,HIGH);
digitalWrite(pin5,LOW);
digitalWrite(pin6,LOW);
digitalWrite(pin7,LOW);
delay(200);

digitalWrite(pin1,LOW );
digitalWrite(pin2,LOW);
digitalWrite(pin3,LOW);
digitalWrite(pin4,HIGH);
digitalWrite(pin5,HIGH);
digitalWrite(pin6,LOW);
digitalWrite(pin7,LOW);
delay(200);

digitalWrite(pin1,LOW);
digitalWrite(pin2,LOW);
digitalWrite(pin3,LOW);
digitalWrite(pin4,LOW);
digitalWrite(pin5,HIGH);
digitalWrite(pin6,HIGH);
digitalWrite(pin7,LOW);
delay(200);

digitalWrite(pin1,LOW);
digitalWrite(pin2,LOW);
digitalWrite(pin3,LOW);
digitalWrite(pin4,LOW);
digitalWrite(pin5,LOW);
digitalWrite(pin6,HIGH);
digitalWrite(pin7,HIGH);
delay(200);

digitalWrite(pin1,HIGH);
digitalWrite(pin2,LOW);
digitalWrite(pin3,LOW);
digitalWrite(pin4,LOW);
digitalWrite(pin5,LOW);
digitalWrite(pin6,LOW);
digitalWrite(pin7,HIGH);
delay(200);
}