int output[16] = { 6, 7, 8, 9, 10, 11, 12, 13, 4, 3, 2, 14, 15, 16, 17 };
int input[8] = { A0, A1, A2, A3, A4, A5, A6, A7 };

void setup() {
  Serial.begin(115200);
  for (int i=0; i<16; i++)
    {
      pinMode(output[i], OUTPUT);
      digitalWrite(output[i], LOW);
    }
  for (int i=0; i<8; i++)
      pinMode(input[i], INPUT);    
}

void loop() {
  for (int i=0; i<16; i++)
    {
      digitalWrite(output[i], HIGH);
      for (int j=0; j<8; j++)  
          Serial.print(digitalRead(input[j]));
      Serial.println();
      digitalWrite(output[i], LOW); 
    }
}