  * Initialize the Arduino.
  */
 void setup() {
+
     // Print debug results to the serial monitor.
     if (DEBUG) Serial.begin(9600);
 

        int last = QTY - 1 - i;

        // Turn off previous lights.
        if (i-1 >= 0) {
            digitalWrite(LEDS[i-1], LOW);
            digitalWrite(LEDS[last+1], LOW);
        }

        // Turn on current lights.
        digitalWrite(LEDS[i], HIGH);
        digitalWrite(LEDS[last], HIGH);

        // Check the tilt switch for a new game.
        if (signalGameStart()) return;

        // Wait before cycling the next set of lights.


// Define game settings.
const int LIGHT_DELAY = 700;
const int GAME_SPEED = 700;
const int TOTAL_LEVELS = 128;
const int TOTAL_LIVES = 3;
boolean gameStart = false;


