void setup() {
  pinMode(13, OUTPUT);
  pinMode(12, INPUT);
  pinMode(11, INPUT);
  pinMode(10, INPUT);
  pinMode(9, INPUT);
  pinMode(8, INPUT);
  pinMode(7, OUTPUT);
  pinMode(6, OUTPUT);
  pinMode(5, INPUT);
  pinMode(4, INPUT);
  pinMode(3, INPUT);
  pinMode(2, INPUT);
}

void loop() {
  digitalWrite(13, HIGH);
  delay(200);
  digitalWrite(12, HIGH);
  delay(200);
  digitalWrite(11, HIGH);
  delay(200);
  digitalWrite(10, HIGH);
  delay(200);
  digitalWrite(9, HIGH);
  delay(200);
  digitalWrite(8, HIGH);
  delay(200);
  digitalWrite(12, LOW);
  delay(200);
  digitalWrite(12, HIGH);
  delay(200);
  digitalWrite(11, LOW);
  delay(200);
  digitalWrite(11, HIGH);
  delay(200);
  digitalWrite(10, LOW);
  delay(200);
  digitalWrite(10, HIGH);
  delay(200);
  digitalWrite(9, LOW);
  delay(200);
  digitalWrite(9, HIGH);
  delay(200);
  digitalWrite(8, LOW);
  delay(200);
  digitalWrite(8, HIGH);
  delay(200);

  digitalWrite(7, HIGH);
  delay(400);
  digitalWrite(6, HIGH);
  delay(200);
  digitalWrite(5, HIGH);
  delay(200);
  digitalWrite(4, HIGH);
  delay(200);
  digitalWrite(3, HIGH);
  delay(200);
  digitalWrite(2, HIGH);
  delay(200);
  digitalWrite(1, HIGH);
  delay(200);
  digitalWrite(0, HIGH);
  delay(200);
  digitalWrite(14, HIGH);
  delay(200);

  digitalWrite(15, HIGH);
  delay(90);
  digitalWrite(16, HIGH);
  delay(90);
  digitalWrite(17, HIGH);
  delay(90);
  digitalWrite(18, HIGH);
  delay(90);
  digitalWrite(19, HIGH);
  delay(90);
  digitalWrite(20, HIGH);
  delay(90);
  digitalWrite(21, HIGH);
  delay(90);

  digitalWrite(15, LOW);
  delay(50);
  digitalWrite(16, LOW);
  delay(50);
  digitalWrite(17, LOW);
  delay(50);
  digitalWrite(18, LOW);
  delay(50);
  digitalWrite(19, LOW);
  delay(50);
  digitalWrite(20, LOW);
  delay(50);
  digitalWrite(21, LOW);
  delay(50);

  digitalWrite(15, HIGH);
  delay(20);
  digitalWrite(16, HIGH);
  delay(20);
  digitalWrite(17, HIGH);
  delay(20);
  digitalWrite(18, HIGH);
  delay(20);
  digitalWrite(19, HIGH);
  delay(20);
  digitalWrite(20, HIGH);
  delay(20);
  digitalWrite(21, HIGH);
  delay(20);

  digitalWrite(22, HIGH);
  delay(100);
  digitalWrite(24, HIGH);
  delay(100);
  digitalWrite(26, HIGH);
  delay(100);
  digitalWrite(28, HIGH);
  delay(100);
  digitalWrite(30, HIGH);
  delay(100);

  digitalWrite(32, HIGH);
  delay(200);
  digitalWrite(34, HIGH);
  delay(200);
  digitalWrite(36, HIGH);
  delay(200);
  digitalWrite(38, HIGH);
  delay(200);
  digitalWrite(40, HIGH);
  delay(200);
  digitalWrite(42, HIGH);
  delay(200);
  digitalWrite(44, HIGH);
  delay(200);
  digitalWrite(46, HIGH);
  delay(200);
  digitalWrite(48, HIGH);
  delay(200);
  digitalWrite(50, HIGH);
  delay(200);
  digitalWrite(52, HIGH);
  delay(200);
  digitalWrite(23, HIGH);
  delay(200);
  digitalWrite(25, HIGH);
  delay(200);
  digitalWrite(27, HIGH);
  delay(200);
  digitalWrite(29, HIGH);
  delay(200);
  digitalWrite(31, HIGH);
  delay(100);
  digitalWrite(33, HIGH);
  delay(100);
  digitalWrite(35, HIGH);
  delay(100);
  digitalWrite(37, HIGH);
  delay(100);
  digitalWrite(39, HIGH);
  delay(100);
  digitalWrite(41, HIGH);
  delay(100);
  digitalWrite(43, HIGH);
  delay(100);
  digitalWrite(45, HIGH);
  delay(100);
  digitalWrite(47, HIGH);
  delay(100);
  digitalWrite(49, HIGH);
  delay(100);
  digitalWrite(51, HIGH);
  delay(100);
  digitalWrite(53, HIGH);
  delay(100);
  digitalWrite(A0, HIGH);
  delay(100);
}