public int getCurrentLargest() {
        int currentLargest = 0;
        for (int y = 0; y < 4; y++) {
            for (int x = 0; x < 4; x++) {
                if (grid[x][y] > currentLargest) {
                    currentLargest = grid[x][y];
                }
            }
        }
        return currentLargest;
    }