void setup() {
  pinMode(12, INPUT);
  pinMode(13, INPUT);
  pinMode(14, INPUT);
  pinMode(15, INPUT);
  pinMode(16, INPUT);
  pinMode(17, INPUT);
  pinMode(18, INPUT);
  pinMode(19, INPUT);
  Serial.begin(9600);
}

void loop() {
  Serial.print(digitalRead(12));
  Serial.print('\t');
  Serial.print(digitalRead(13));
  Serial.print('\t');
  Serial.print(digitalRead(14));
  Serial.print('\t');
  Serial.print(digitalRead(15));
  Serial.print('\t');
  Serial.print(digitalRead(16));
  Serial.print('\t');
  Serial.print(digitalRead(17));
  Serial.print('\t');
  Serial.print(digitalRead(18));
  Serial.print('\t');
  Serial.print(digitalRead(19));
  Serial.print('\n');
}