int pins[] = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19};
const int PINZ = sizeof(pins) / sizeof(pins[0]);

void setup() {
  for (int p = 0; p < PINZ; p++)  {
    pinMode(pins[p], OUTPUT);
    digitalWrite(pins[p], HIGH);
  }
  //now, walk a 1 around the border
  for (int p = 0; p < PINZ; p++) {
    digitalWrite(pins[p], LOW);
    delay(500);
    digitalWrite(pins[p], HIGH);
  }
}
void loop() {
}