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);

}

void loop() {

  // ON LED : Right to Left

  digitalWrite(2, HIGH);
  delay(100);
  digitalWrite(3, HIGH);
  delay(100);
  digitalWrite(4, HIGH);
  delay(100);
  digitalWrite(5, HIGH);
  delay(100);
  digitalWrite(6, HIGH);
  delay(100);
  digitalWrite(7, HIGH);
  delay(100);
  digitalWrite(8, HIGH);
  delay(100);
  digitalWrite(9, HIGH);
  delay(100);
  digitalWrite(10, HIGH);
  delay(100);
  digitalWrite(11, HIGH);
  delay(100);

// OFF LED : Right to Left


  digitalWrite(2, LOW);
  delay(100);
  digitalWrite(3, LOW);
  delay(100);
  digitalWrite(4, LOW);
  delay(100);
  digitalWrite(5, LOW);
  delay(100);
  digitalWrite(6, LOW);
  delay(100);
  digitalWrite(7, LOW);
  delay(100);
  digitalWrite(8, LOW);
  delay(100);
  digitalWrite(9, LOW);
  delay(100);
  digitalWrite(10, LOW);
  delay(100);
  digitalWrite(11, LOW);
  delay(100);

  // Blink Led : Right to Left

  digitalWrite(2, HIGH);
  delay(100);
  digitalWrite(2, LOW);
  delay(100);
  digitalWrite(3, HIGH);
  delay(100);
  digitalWrite(3, LOW);
  delay(100);
  digitalWrite(4, HIGH);
  delay(100);
  digitalWrite(4, LOW);
  delay(100);
  digitalWrite(5, HIGH);
  delay(100);
  digitalWrite(5, LOW);
  delay(100);
  digitalWrite(6, HIGH);
  delay(100);
  digitalWrite(6, LOW);
  delay(100);
  digitalWrite(7, HIGH);
  delay(100);
  digitalWrite(7, LOW);
  delay(100);
  digitalWrite(8, HIGH);
  delay(100);
  digitalWrite(8, LOW);
  delay(100);
  digitalWrite(9, HIGH);
  delay(100);
  digitalWrite(9, LOW);
  delay(100);
  digitalWrite(10, HIGH);
  delay(100);
  digitalWrite(10, LOW);
  delay(100);
  digitalWrite(11, HIGH);
  delay(100);
  digitalWrite(11, LOW);
  delay(100);

  // Blink Led : Left to Right

  digitalWrite(11, HIGH);
  delay(100);
  digitalWrite(11, LOW);
  delay(100);
  digitalWrite(10, HIGH);
  delay(100);
  digitalWrite(10, LOW);
  delay(100);
  digitalWrite(9, HIGH);
  delay(100);
  digitalWrite(9, LOW);
  delay(100);
  digitalWrite(8, HIGH);
  delay(100);
  digitalWrite(8, LOW);
  delay(100);
  digitalWrite(7, HIGH);
  delay(100);
  digitalWrite(7, LOW);
  delay(100);
  digitalWrite(6, HIGH);
  delay(100);
  digitalWrite(6, LOW);
  delay(100);
  digitalWrite(5, HIGH);
  delay(100);
  digitalWrite(5, LOW);
  delay(100);
  digitalWrite(4, HIGH);
  delay(100);
  digitalWrite(4, LOW);
  delay(100);
  digitalWrite(3, HIGH);
  delay(100);
  digitalWrite(3, LOW);
  delay(100);
  digitalWrite(2, HIGH);
  delay(100);
  digitalWrite(2, LOW);
  delay(100);

  // ON LED : Left to Right

  digitalWrite(11, HIGH);
  delay(100);
  digitalWrite(10, HIGH);
  delay(100);
  digitalWrite(9, HIGH);
  delay(100);
  digitalWrite(8, HIGH);
  delay(100);
  digitalWrite(7, HIGH);
  delay(100);
  digitalWrite(6, HIGH);
  delay(100);
  digitalWrite(5, HIGH);
  delay(100);
  digitalWrite(4, HIGH);
  delay(100);
  digitalWrite(3, HIGH);
  delay(100);
  digitalWrite(2, HIGH);
  delay(100);


  // OFF LED : Left to Right


  digitalWrite(11, LOW);
  delay(100);
  digitalWrite(10, LOW);
  delay(100);
  digitalWrite(9, LOW);
  delay(100);
  digitalWrite(8, LOW);
  delay(100);
  digitalWrite(7, LOW);
  delay(100);
  digitalWrite(6, LOW);
  delay(100);
  digitalWrite(5, LOW);
  delay(100);
  digitalWrite(4, LOW);
  delay(100);
  digitalWrite(3, LOW);
  delay(100);
  digitalWrite(2, LOW);
  delay(100);

// ON LED : Edge to Center (สวนทาง = In The Opposite Direction)

  digitalWrite(11, HIGH);
  digitalWrite(2, HIGH);
  delay(100);
  digitalWrite(10, HIGH);
  digitalWrite(3, HIGH);
  delay(100);
  digitalWrite(9, HIGH);
  digitalWrite(4, HIGH);
  delay(100);
  digitalWrite(8, HIGH);
  digitalWrite(5, HIGH);
  delay(100);
  digitalWrite(7, HIGH);
  digitalWrite(6, HIGH);
  delay(100);
  digitalWrite(6, HIGH);
  delay(100);

 // OFF LED : Edge to Center

  digitalWrite(11, LOW);
  digitalWrite(2, LOW);
  delay(100);
  digitalWrite(10, LOW);
  digitalWrite(3, LOW);
  delay(100);
  digitalWrite(9, LOW);
  digitalWrite(4, LOW);
  delay(100);
  digitalWrite(8, LOW);
  digitalWrite(5, LOW);
  delay(100);
  digitalWrite(7, LOW);
  digitalWrite(6, LOW);
  delay(1000);
  


}