void setup() {
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(6, OUTPUT);
  pinMode(7, OUTPUT);
  pinMode(8, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(13, OUTPUT);
  pinMode(14, OUTPUT);
  pinMode(15, OUTPUT);
  pinMode(16, OUTPUT);
  pinMode(17, OUTPUT);
  pinMode(18, OUTPUT);
  pinMode(19, OUTPUT);
  pinMode(20, OUTPUT);
  pinMode(21, OUTPUT);
  pinMode(22, OUTPUT);
}

void loop() {
  
  digitalWrite(2, HIGH); delay(40); digitalWrite(2, LOW);
  digitalWrite(3, HIGH); delay(40); digitalWrite(3, LOW);
  digitalWrite(4, HIGH); delay(40); digitalWrite(4, LOW);
  digitalWrite(5, HIGH); delay(40); digitalWrite(5, LOW);
  digitalWrite(6, HIGH); delay(40); digitalWrite(6, LOW);
  digitalWrite(7, HIGH); delay(40); digitalWrite(7, LOW);
  digitalWrite(8, HIGH); delay(40); digitalWrite(8, LOW);
  digitalWrite(9, HIGH); delay(40); digitalWrite(9, LOW);
  digitalWrite(10, HIGH); delay(40); digitalWrite(10, LOW);
  digitalWrite(11, HIGH); delay(40); digitalWrite(11, LOW);
  digitalWrite(12, HIGH); delay(40); digitalWrite(12, LOW);
  digitalWrite(13, HIGH); delay(40); digitalWrite(13, LOW);
  digitalWrite(14, HIGH); delay(40); digitalWrite(14, LOW);
  digitalWrite(15, HIGH); delay(40); digitalWrite(15, LOW);
  digitalWrite(16, HIGH); delay(40); digitalWrite(16, LOW);
  digitalWrite(17, HIGH); delay(40); digitalWrite(17, LOW);
  digitalWrite(18, HIGH); delay(40); digitalWrite(18, LOW);
  digitalWrite(19, HIGH); delay(40); digitalWrite(19, LOW);
  digitalWrite(20, HIGH); delay(40); digitalWrite(20, LOW);
  digitalWrite(21, HIGH); delay(40); digitalWrite(21, LOW);
  digitalWrite(22, HIGH); delay(40); digitalWrite(22, LOW);

  
  digitalWrite(22, HIGH); delay(100); digitalWrite(22, LOW);
  digitalWrite(21, HIGH); delay(90); digitalWrite(21, LOW);
  digitalWrite(20, HIGH); delay(80); digitalWrite(20, LOW);
  digitalWrite(19, HIGH); delay(70); digitalWrite(19, LOW);
  digitalWrite(18, HIGH); delay(60); digitalWrite(18, LOW);
  digitalWrite(17, HIGH); delay(50); digitalWrite(17, LOW);
  digitalWrite(16, HIGH); delay(40); digitalWrite(16, LOW);
  digitalWrite(15, HIGH); delay(30); digitalWrite(15, LOW);
  digitalWrite(14, HIGH); delay(20); digitalWrite(14, LOW);
  digitalWrite(13, HIGH); delay(10); digitalWrite(13, LOW);
  digitalWrite(12, HIGH); delay(10); digitalWrite(12, LOW);
  digitalWrite(11, HIGH); delay(20); digitalWrite(11, LOW);
  digitalWrite(10, HIGH); delay(30); digitalWrite(10, LOW);
  digitalWrite(9, HIGH); delay(40); digitalWrite(9, LOW);
  digitalWrite(8, HIGH); delay(50); digitalWrite(8, LOW);
  digitalWrite(7, HIGH); delay(60); digitalWrite(7, LOW);
  digitalWrite(6, HIGH); delay(70); digitalWrite(6, LOW);
  digitalWrite(5, HIGH); delay(80); digitalWrite(5, LOW);
  digitalWrite(4, HIGH); delay(90); digitalWrite(4, LOW);
  digitalWrite(3, HIGH); delay(100); digitalWrite(3, LOW);
  digitalWrite(2, HIGH); delay(110); digitalWrite(2, LOW);

 
  digitalWrite(2, HIGH); digitalWrite(22, HIGH); delay(150);
  digitalWrite(2, LOW); digitalWrite(22, LOW);
  digitalWrite(3, HIGH); digitalWrite(21, HIGH); delay(150);
  digitalWrite(3, LOW); digitalWrite(21, LOW);
  digitalWrite(4, HIGH); digitalWrite(20, HIGH); delay(150);
  digitalWrite(4, LOW); digitalWrite(20, LOW);
  digitalWrite(5, HIGH); digitalWrite(19, HIGH); delay(150);
  digitalWrite(5, LOW); digitalWrite(19, LOW);
  digitalWrite(6, HIGH); digitalWrite(18, HIGH); delay(150);
  digitalWrite(6, LOW); digitalWrite(18, LOW);
  digitalWrite(7, HIGH); digitalWrite(17, HIGH); delay(150);
  digitalWrite(7, LOW); digitalWrite(17, LOW);
  digitalWrite(8, HIGH); digitalWrite(16, HIGH); delay(150);
  digitalWrite(8, LOW); digitalWrite(16, LOW);
  digitalWrite(9, HIGH); digitalWrite(15, HIGH); delay(150);
  digitalWrite(9, LOW); digitalWrite(15, LOW);
  digitalWrite(10, HIGH); digitalWrite(14, HIGH); delay(150);
  digitalWrite(10, LOW); digitalWrite(14, LOW);
  digitalWrite(11, HIGH); digitalWrite(13, HIGH); delay(150);
  digitalWrite(11, LOW); digitalWrite(13, LOW);
  digitalWrite(12, HIGH); delay(400); digitalWrite(12, LOW);


  digitalWrite(2, HIGH); digitalWrite(3, HIGH); digitalWrite(4, HIGH);
  digitalWrite(5, HIGH); digitalWrite(6, HIGH); digitalWrite(7, HIGH);
  digitalWrite(8, HIGH); digitalWrite(9, HIGH); digitalWrite(10, HIGH);
  digitalWrite(11, HIGH); digitalWrite(12, HIGH); digitalWrite(13, HIGH);
  digitalWrite(14, HIGH); digitalWrite(15, HIGH); digitalWrite(16, HIGH);
  digitalWrite(17, HIGH); digitalWrite(18, HIGH); digitalWrite(19, HIGH);
  digitalWrite(20, HIGH); digitalWrite(21, HIGH); digitalWrite(22, HIGH);
  delay(100);
  
  digitalWrite(2, LOW); digitalWrite(3, LOW); digitalWrite(4, LOW);
  digitalWrite(5, LOW); digitalWrite(6, LOW); digitalWrite(7, LOW);
  digitalWrite(8, LOW); digitalWrite(9, LOW); digitalWrite(10, LOW);
  digitalWrite(11, LOW); digitalWrite(12, LOW); digitalWrite(13, LOW);
  digitalWrite(14, LOW); digitalWrite(15, LOW); digitalWrite(16, LOW);
  digitalWrite(17, LOW); digitalWrite(18, LOW); digitalWrite(19, LOW);
  digitalWrite(20, LOW); digitalWrite(21, LOW); digitalWrite(22, LOW);
  delay(100);

  digitalWrite(2, HIGH); digitalWrite(3, HIGH); digitalWrite(4, HIGH);
  digitalWrite(5, HIGH); digitalWrite(6, HIGH); digitalWrite(7, HIGH);
  digitalWrite(8, HIGH); digitalWrite(9, HIGH); digitalWrite(10, HIGH);
  digitalWrite(11, HIGH); digitalWrite(12, HIGH); digitalWrite(13, HIGH);
  digitalWrite(14, HIGH); digitalWrite(15, HIGH); digitalWrite(16, HIGH);
  digitalWrite(17, HIGH); digitalWrite(18, HIGH); digitalWrite(19, HIGH);
  digitalWrite(20, HIGH); digitalWrite(21, HIGH); digitalWrite(22, HIGH);
  delay(500);
  
  digitalWrite(2, LOW); digitalWrite(3, LOW); digitalWrite(4, LOW);
  digitalWrite(5, LOW); digitalWrite(6, LOW); digitalWrite(7, LOW);
  digitalWrite(8, LOW); digitalWrite(9, LOW); digitalWrite(10, LOW);
  digitalWrite(11, LOW); digitalWrite(12, LOW); digitalWrite(13, LOW);
  digitalWrite(14, LOW); digitalWrite(15, LOW); digitalWrite(16, LOW);
  digitalWrite(17, LOW); digitalWrite(18, LOW); digitalWrite(19, LOW);
  digitalWrite(20, LOW); digitalWrite(21, LOW); digitalWrite(22, LOW);

  delay(1500);