// declard variable
int LED_pin;

//  setup hardware

void setup() {

  // initialize digital pin LED_BUILTIN as an output.
  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);

}

// the loop function runs over and over again forever
void loop() {
 //All
  digitalWrite(11, HIGH);
  digitalWrite(10, HIGH);
  digitalWrite(9, HIGH);
  digitalWrite(8, HIGH);
  digitalWrite(7, HIGH);
  digitalWrite(6, HIGH);
  digitalWrite(5, HIGH);
  digitalWrite(4, HIGH);
  digitalWrite(3, HIGH);
  digitalWrite(2, HIGH);
  delay(200);

  digitalWrite(11, LOW);
  digitalWrite(10, LOW);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  digitalWrite(7, LOW);
  digitalWrite(6, LOW);
  digitalWrite(5, LOW);
  digitalWrite(4, LOW);
  digitalWrite(3, LOW);
  digitalWrite(2, LOW);
  digitalWrite(11, HIGH);
  delay(200);

  digitalWrite(10, HIGH);
  digitalWrite(9, HIGH);
  digitalWrite(8, HIGH);
  digitalWrite(7, HIGH);
  digitalWrite(6, HIGH);
  digitalWrite(5, HIGH);
  digitalWrite(4, HIGH);
  digitalWrite(3, HIGH);
  digitalWrite(2, HIGH);
  delay(200);

  digitalWrite(11, LOW);
  digitalWrite(10, LOW);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  digitalWrite(7, LOW);
  digitalWrite(6, LOW);
  digitalWrite(5, LOW);
  digitalWrite(4, LOW);
  digitalWrite(3, LOW);
  digitalWrite(2, LOW);
  delay(500);

  // R to L
  digitalWrite(2, HIGH);
  delay(100);
  digitalWrite(2, LOW);

  digitalWrite(3, HIGH);
  delay(100);
  digitalWrite(3, LOW);

  digitalWrite(4, HIGH);
  delay(100);
  digitalWrite(4, LOW);

  digitalWrite(5, HIGH);
  delay(100);
  digitalWrite(5, LOW);

  digitalWrite(6, HIGH);
  delay(100);
  digitalWrite(6, LOW);

  digitalWrite(7, HIGH);
  delay(100);
  digitalWrite(7, LOW);

  digitalWrite(8, HIGH);
  delay(100);
  digitalWrite(8, LOW);

  digitalWrite(9, HIGH);
  delay(100);
  digitalWrite(9, LOW);

  digitalWrite(10, HIGH);
  delay(100);
  digitalWrite(10, LOW);

  digitalWrite(11, HIGH);
  delay(100);
  digitalWrite(11, LOW);
  delay(1000);

  // L to R
  digitalWrite(11, HIGH);
  delay(100);
  digitalWrite(11, LOW);

  digitalWrite(10, HIGH);
  delay(100);
  digitalWrite(10, LOW);

  digitalWrite(9, HIGH);
  delay(100);
  digitalWrite(9, LOW);

  digitalWrite(8, HIGH);
  delay(100);
  digitalWrite(8, LOW);

  digitalWrite(7, HIGH);
  delay(100);
  digitalWrite(7, LOW);

  digitalWrite(6, HIGH);
  delay(100);
  digitalWrite(6, LOW);

  digitalWrite(5, HIGH);
  delay(100);
  digitalWrite(5, LOW);

  digitalWrite(4, HIGH);
  delay(100);
  digitalWrite(4, LOW);

  digitalWrite(3, HIGH);
  delay(100);
  digitalWrite(3, LOW);

  digitalWrite(2, HIGH);
  delay(100);
  digitalWrite(2, LOW);
  delay(1000);

  // Outer to Middle
  digitalWrite(11, HIGH);
  digitalWrite(2, HIGH);
  delay(100);
  digitalWrite(11, LOW);
  digitalWrite(2, LOW);

  digitalWrite(10, HIGH);
  digitalWrite(3, HIGH);
  delay(100);
  digitalWrite(10, LOW);
  digitalWrite(3, LOW);

  digitalWrite(9, HIGH);
  digitalWrite(4, HIGH);
  delay(100);
  digitalWrite(9, LOW);
  digitalWrite(4, LOW);

  digitalWrite(8, HIGH);
  digitalWrite(5, HIGH);
  delay(100);
  digitalWrite(8, LOW);
  digitalWrite(5, LOW);

  digitalWrite(7, HIGH);
  digitalWrite(6, HIGH);
  delay(100);
  digitalWrite(7, LOW);
  digitalWrite(6, LOW);
  delay(1000);

  // Middle to Outer
  digitalWrite(7, HIGH);
  digitalWrite(6, HIGH);
  delay(100);
  digitalWrite(7, LOW);
  digitalWrite(6, LOW);

  digitalWrite(8, HIGH);
  digitalWrite(5, HIGH);
  delay(100);
  digitalWrite(8, LOW);
  digitalWrite(5, LOW);

  digitalWrite(9, HIGH);
  digitalWrite(4, HIGH);
  delay(100);
  digitalWrite(9, LOW);
  digitalWrite(4, LOW);

  digitalWrite(10, HIGH);
  digitalWrite(3, HIGH);
  delay(100);
  digitalWrite(10, LOW);
  digitalWrite(3, LOW);

  digitalWrite(11, HIGH);
  digitalWrite(2, HIGH);
  delay(100);
  digitalWrite(11, LOW);
  digitalWrite(2, LOW);
  delay(1000);

    // every other
  

}