#define LED1 13
#define LED2 12
#define LED3 14
#define LED4 27
#define LED5 26
#define LED6 25
#define LED7 33
#define LED8 32
#define LED9 19
#define LED10 18
#define LED11 23
#define LED12 22

void setup()
{
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(LED3, OUTPUT);
  pinMode(LED4, OUTPUT);
  pinMode(LED5, OUTPUT);
  pinMode(LED6, OUTPUT);
  pinMode(LED7, OUTPUT);
  pinMode(LED8, OUTPUT);
  pinMode(LED9, OUTPUT);
  pinMode(LED10, OUTPUT);
  pinMode(LED11, OUTPUT);
  pinMode(LED12, OUTPUT);
}

void loop()
{
  digitalWrite(LED1, HIGH);
  delay(500);
  digitalWrite(LED2, HIGH);
  delay(500);
  digitalWrite(LED3, HIGH);
  delay(500);
  digitalWrite(LED4, HIGH);
  delay(500);
  digitalWrite(LED5, HIGH);
  delay(500);
  digitalWrite(LED6, HIGH);
  delay(500);
  digitalWrite(LED7, HIGH);
  delay(500);
  digitalWrite(LED8, HIGH);
  delay(500);
  digitalWrite(LED9, HIGH);
  delay(500);
  digitalWrite(LED10, HIGH);
  delay(500);
  digitalWrite(LED11, HIGH);
  delay(500);
  digitalWrite(LED12, HIGH);
  delay(500);

//TAT
digitalWrite(LED1, LOW);
digitalWrite(LED2, LOW);
digitalWrite(LED3, LOW);
digitalWrite(LED4, LOW);
digitalWrite(LED5, LOW);
digitalWrite(LED6, LOW);
digitalWrite(LED7, LOW);
digitalWrite(LED8, LOW);
digitalWrite(LED9, LOW);
digitalWrite(LED10, LOW);
digitalWrite(LED11, LOW);
digitalWrite(LED12, LOW);
delay(500);

//y b
digitalWrite(LED1, HIGH);
delay(500);
digitalWrite(LED2, HIGH);
digitalWrite(LED1, LOW);
delay(500);
digitalWrite(LED3, HIGH);
digitalWrite(LED2, LOW);
delay(500);
digitalWrite(LED4, HIGH);
digitalWrite(LED3, LOW);
delay(500);
digitalWrite(LED5, HIGH);
digitalWrite(LED4, LOW);
delay(500);
digitalWrite(LED6, HIGH);
digitalWrite(LED5, LOW);
delay(500);
digitalWrite(LED7, HIGH);
digitalWrite(LED6, LOW);
delay(500);
digitalWrite(LED8, HIGH);
digitalWrite(LED7, LOW);
delay(500);
digitalWrite(LED9, HIGH);
digitalWrite(LED8, LOW);
delay(500);
digitalWrite(LED10, HIGH);
digitalWrite(LED9, LOW);
delay(500);
digitalWrite(LED11, HIGH);
digitalWrite(LED10, LOW);
delay(500);
digitalWrite(LED12, HIGH);
digitalWrite(LED11, LOW);
delay(500);
digitalWrite(LED12, HIGH);
}