int dataPin = 12;
int latchPin = 11;
int clockPin = 10;
int seq[2]=    { B10111111, // 0
                 B10000110}; // 1
                      
void setup()
{
  Serial.begin(9600);
  pinMode(dataPin, OUTPUT); 
  pinMode(latchPin, OUTPUT);
  pinMode(clockPin, OUTPUT);
}

void loop()
{
  for (int n = 0; n < 2; n++)
  {
    Serial.println(n);
    digitalWrite(latchPin, LOW); 
    shiftOut(dataPin, clockPin, MSBFIRST, seq[n]); 
    digitalWrite(latchPin, HIGH); 
    delay(500);
  }
}