int set=1;
bool a=false;
int b=600;
int c=250;

void setup() {
  attachInterrupt(digitalPinToInterrupt(2),interrupt,HIGH);

}

void loop() {
  if (a==true){
    set++;
    if (set>=6){
      set=0;
    }
    delay(200);
    a=false;
  }
  if (set==0){
    digitalWrite(13, LOW);
    digitalWrite(12, LOW);
    digitalWrite(11, LOW);
    digitalWrite(10, LOW);
    digitalWrite(9, LOW);
    digitalWrite(8, LOW);
    digitalWrite(7, LOW);
  }
  if (set==1){
    digitalWrite(13, HIGH);
    digitalWrite(12, HIGH);
    digitalWrite(11, HIGH);
    digitalWrite(10, HIGH);
    digitalWrite(9, HIGH);
    digitalWrite(8, HIGH);
    digitalWrite(7, HIGH);
  }
  if (set==2){
    digitalWrite(12, LOW);
    digitalWrite(11, LOW);
    digitalWrite(10, HIGH);
    digitalWrite(9, LOW);
    digitalWrite(8, LOW);
    digitalWrite(7, LOW);
    digitalWrite(13, HIGH);
    delay(c);
    digitalWrite(7,HIGH);
    delay(c);
    digitalWrite(13, LOW);
    digitalWrite(7, LOW);
    digitalWrite(12, HIGH);
    delay(c);
    digitalWrite(8, HIGH);
    delay(c);
    digitalWrite(12, LOW);
    digitalWrite(8, LOW);
    digitalWrite(11, HIGH);
    delay(c);
    digitalWrite(9, HIGH);
    delay(c);
  }
  if (set==3){
    digitalWrite(12, LOW);
    digitalWrite(11, LOW);
    digitalWrite(10, HIGH);
    digitalWrite(9, LOW);
    digitalWrite(8, LOW);
    digitalWrite(7, LOW);
    digitalWrite(13, HIGH);
    delay(c);
    digitalWrite(13, LOW);
    digitalWrite(12, HIGH);
    delay(c);
    digitalWrite(12, LOW);
    digitalWrite(11, HIGH);
    delay(c);
    digitalWrite(11, LOW);
    digitalWrite(9, HIGH);
    delay(c);
    digitalWrite(9, LOW);
    digitalWrite(8, HIGH);
    delay(c);
    digitalWrite(8, LOW);
    digitalWrite(7, HIGH);
    delay(c);
  }
  if (set==4){
    digitalWrite(12, LOW);
    digitalWrite(11, LOW);
    digitalWrite(10, HIGH);
    digitalWrite(9, LOW);
    digitalWrite(8, LOW);
    digitalWrite(13, HIGH);
    digitalWrite(7, HIGH);
    delay(b);
    digitalWrite(13, LOW);
    digitalWrite(7, LOW);
    digitalWrite(12, HIGH);
    digitalWrite(8, HIGH);
    delay(b);
    digitalWrite(12, LOW);
    digitalWrite(8, LOW);
    digitalWrite(11, HIGH);
    digitalWrite(9, HIGH);
    delay(b);
  }
  if (set==5){
    digitalWrite(12, LOW);
    digitalWrite(11, LOW);
    digitalWrite(10, HIGH);
    digitalWrite(9, LOW);
    digitalWrite(8, LOW);
    digitalWrite(7, LOW);
    digitalWrite(13, HIGH);
    delay(c);
    digitalWrite(13, LOW);
    digitalWrite(12, HIGH);
    delay(c);
    digitalWrite(12, LOW);
    digitalWrite(11, HIGH);
    delay(c);
    digitalWrite(11, LOW);
    digitalWrite(7, HIGH);
    delay(c);
    digitalWrite(7, LOW);
    digitalWrite(8, HIGH);
    delay(c);
    digitalWrite(8, LOW);
    digitalWrite(9, HIGH);
    delay(c);
    }
}
void interrupt(){
  a=true;
}