public boolean isEmptySpace() {
		for(int i = 0; i < 9; i++) {
			for(int j = 0; j < 16; j++) {
				if(entries[i][j].getText().equals("")) {
					System.out.println("isEmptySpace() returned false at i: " + i + " j: " + j);
					return false;
				}
			}
		}
		return true;
	}