 const int LEFT_PIN = A3;
 
 // Pins for outputs (shift registers / LEDs)
-const int LATCH_PIN = 8; // green
-const int CLOCK_PIN = 12; // yellow
-const int DATA_PIN = 11; // blue
+const int LATCH_PIN = 8; // Green wire
+const int CLOCK_PIN = 12; // Yellow wire
+const int DATA_PIN = 11; // Blue wire
 
 /* Initializes all connections and creates a new game. */
 void setup() {

int board[4][4];
int tempBoard[4][4];
boolean gameInProgress = false;
boolean buttonPressed = false;

// Pins for inputs (push buttons)


    // Whoops, we lost the game
    gameInProgress = false;
    gameResult = false;
}

/****************************************
 ********** DISPLAY  METHODS ************
 ****************************************/

// (off, red, red-green, green, green-blue, blue, red-blue, white)
byte colors[8] = {7, 6, 4, 5, 1, 3, 2, 0};

byte color(int tileNum) {
