void setup() {
  // put your setup code here, to run once:
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);
}

void loop() {
  // put your main code here, to run repeatedly:

   //sequence 1

digitalWrite(2, LOW);
delay(650);
digitalWrite(2, HIGH);
delay(2050);
digitalWrite(3, HIGH);
delay(1900);
digitalWrite(4, HIGH);
delay(1900);
digitalWrite(5, HIGH);
delay(1700);
digitalWrite(6, HIGH);
delay(1870);

//sequence 2

digitalWrite(7, LOW);
delay(0);
digitalWrite(7, HIGH);
delay(0);
digitalWrite(9, LOW);
delay(1000);
digitalWrite(9, HIGH);
delay(900);
digitalWrite(11, LOW);
delay(420);
digitalWrite(11, HIGH);
delay(570);
digitalWrite(13, LOW);
delay(620);
digitalWrite(13, HIGH);
delay(870);
digitalWrite(15, HIGH);
delay(700);
digitalWrite(15, HIGH);
delay(975);
digitalWrite(17, HIGH);
delay(0);
digitalWrite(18, HIGH);
delay(0);
digitalWrite(19, HIGH);
delay(0);
digitalWrite(20, HIGH);
delay(0);
digitalWrite(21, HIGH);
delay(0);
digitalWrite(22, HIGH);
delay(0);
digitalWrite(23, HIGH);
delay(0);
digitalWrite(24, HIGH);
delay(0);
digitalWrite(25, HIGH);
delay(0);
digitalWrite(26, HIGH);
delay(0);
digitalWrite(27, HIGH);
delay(0);
digitalWrite(28, HIGH);
delay(0);
digitalWrite(29, HIGH);
delay(0);
digitalWrite(30, HIGH);
delay(0);
digitalWrite(31, HIGH);
delay(0);
digitalWrite(32, HIGH);
delay(0);

//sequence 3

digitalWrite(5, HIGH);
delay(1450);
digitalWrite(5, LOW);
delay(0);
digitalWrite(7, LOW);
delay(0);
digitalWrite(9, LOW);
delay(0);
digitalWrite(11, LOW);
delay(0);
digitalWrite(13, LOW);
delay(0);
digitalWrite(6, HIGH);
delay(0);
digitalWrite(8, HIGH);
delay(0);
digitalWrite(10, HIGH);
delay(0);
digitalWrite(12, HIGH);
delay(0);
digitalWrite(14, HIGH);
delay(0);
digitalWrite(14, HIGH);
delay(300);
digitalWrite(6, LOW);
delay(0);
digitalWrite(8, LOW);
delay(0);
digitalWrite(10, LOW);
delay(0);
digitalWrite(12, LOW);
delay(0);
digitalWrite(14, LOW);
delay(0);
digitalWrite(5, HIGH);
delay(0);
digitalWrite(7, HIGH);
delay(0);
digitalWrite(9, HIGH);
delay(0);
digitalWrite(11, HIGH);
delay(0);
digitalWrite(13, HIGH);
delay(0);
digitalWrite(13, HIGH);
delay(300);
digitalWrite(5, LOW);
delay(0);
digitalWrite(7, LOW);
delay(0);
digitalWrite(9, LOW);
delay(0);
digitalWrite(11, LOW);
delay(0);
digitalWrite(13, LOW);
delay(0);
digitalWrite(6, HIGH);
delay(0);
digitalWrite(8, HIGH);
delay(0);
digitalWrite(10, HIGH);
delay(0);
digitalWrite(12, HIGH);
delay(0);
digitalWrite(14, HIGH);
delay(0);
digitalWrite(14, HIGH);
delay(300);
digitalWrite(6, LOW);
delay(0);
digitalWrite(8, LOW);
delay(0);
digitalWrite(10, LOW);
delay(0);
digitalWrite(12, LOW);
delay(0);
digitalWrite(14, LOW);
delay(0);
digitalWrite(5, HIGH);
delay(0);
digitalWrite(7, HIGH);
delay(0);
digitalWrite(9, HIGH);
delay(0);
digitalWrite(11, HIGH);
delay(0);
digitalWrite(13, HIGH);
delay(0);
digitalWrite(13, HIGH);
delay(300);
digitalWrite(5, LOW);
delay(0);
digitalWrite(7, LOW);
delay(0);
digitalWrite(9, LOW);
delay(0);
digitalWrite(11, LOW);
delay(0);
digitalWrite(13, LOW);
delay(0);
digitalWrite(6, HIGH);
delay(0);
digitalWrite(8, HIGH);
delay(0);
digitalWrite(10, HIGH);
delay(0);
digitalWrite(12, HIGH);
delay(0);
digitalWrite(14, HIGH);
delay(0);
digitalWrite(14, HIGH);
delay(150);
digitalWrite(15, LOW);
delay(0);
digitalWrite(16, LOW);
delay(0);
digitalWrite(17, LOW);
delay(0);
digitalWrite(18, LOW);
delay(0);
digitalWrite(19, LOW);
delay(0);
digitalWrite(19, LOW);
delay(300);

//sequence 4
digitalWrite(17, HIGH);
delay(0);
digitalWrite(18, HIGH);
delay(0);
digitalWrite(19, HIGH);
delay(0);
digitalWrite(20, HIGH);
delay(0);
digitalWrite(21, HIGH);
delay(0);
digitalWrite(21, HIGH);
delay(300);
digitalWrite(8, LOW);
delay(0);
digitalWrite(10, LOW);
delay(0);
digitalWrite(12, LOW);
delay(0);
digitalWrite(14, LOW);
delay(0);
digitalWrite(16, LOW);
delay(0);
digitalWrite(7, HIGH);
delay(0);
digitalWrite(9, HIGH);
delay(0);
digitalWrite(11, HIGH);
delay(0);
digitalWrite(13, HIGH);
delay(0);
digitalWrite(15, HIGH);
delay(0);
digitalWrite(15, HIGH);
delay(300);
digitalWrite(7, LOW);
delay(0);
digitalWrite(9, LOW);
delay(0);
digitalWrite(11, LOW);
delay(0);
digitalWrite(13, LOW);
delay(0);
digitalWrite(15, LOW);
delay(0);
digitalWrite(8, HIGH);
delay(0);
digitalWrite(10, HIGH);
delay(0);
digitalWrite(12, HIGH);
delay(0);
digitalWrite(14, HIGH);
delay(0);
digitalWrite(16, HIGH);
delay(0);
digitalWrite(16, HIGH);
delay(150);
digitalWrite(17, LOW);
delay(0);
digitalWrite(18, LOW);
delay(0);
digitalWrite(19, LOW);
delay(0);
digitalWrite(20, LOW);
delay(0);
digitalWrite(21, LOW);
delay(0);
digitalWrite(21, LOW);
delay(100);
digitalWrite(17, HIGH);
delay(0);
digitalWrite(18, HIGH);
delay(0);
digitalWrite(19, HIGH);
delay(0);
digitalWrite(20, HIGH);
delay(0);
digitalWrite(21, HIGH);
delay(0);
digitalWrite(21, HIGH);
delay(300);
digitalWrite(8, LOW);
delay(0);
digitalWrite(10, LOW);
delay(0);
digitalWrite(12, LOW);
delay(0);
digitalWrite(14, LOW);
delay(0);
digitalWrite(16, LOW);
delay(0);
digitalWrite(7, HIGH);
delay(0);
digitalWrite(9, HIGH);
delay(0);
digitalWrite(11, HIGH);
delay(0);
digitalWrite(13, HIGH);
delay(0);
digitalWrite(15, HIGH);
delay(0);
digitalWrite(15, HIGH);
delay(300);
digitalWrite(17, LOW);
delay(0);
digitalWrite(18, LOW);
delay(0);
digitalWrite(19, LOW);
delay(0);
digitalWrite(20, LOW);
delay(0);
digitalWrite(21, LOW);
delay(0);
digitalWrite(21, LOW);
delay(300);
digitalWrite(17, HIGH);
delay(0);
digitalWrite(18, HIGH);
delay(0);
digitalWrite(19, HIGH);
delay(0);
digitalWrite(20, HIGH);
delay(0);
digitalWrite(21, HIGH);
delay(0);
digitalWrite(21, HIGH);
delay(300);
}