/***   Global variables   ***/

/***   Function declaration   ***/

void setup()
{

  pinMode(5,OUTPUT);
  pinMode(10,OUTPUT);
  pinMode(9,OUTPUT);
  pinMode(8,OUTPUT);
  pinMode(7,OUTPUT);
  pinMode(6,OUTPUT);

}


void loop()
{
    digitalWrite(5,HIGH);
    digitalWrite(10,HIGH);
    delay(6000);
    digitalWrite(10,LOW);
    digitalWrite(9,HIGH);
    delay(2000);
    digitalWrite(9,LOW);
    digitalWrite(8,HIGH);
    delay(1000);
    digitalWrite(5,LOW);
    digitalWrite(7,HIGH);
    delay(6000);
    digitalWrite(7,LOW);
    digitalWrite(6,HIGH);
    delay(2000);
    digitalWrite(6,LOW);
    digitalWrite(5,HIGH);
    delay(1000);

}

/***   Function definition   ***/