@Override
	public boolean isWin() {
		for (int i = 0; i < 3; i++) {
			if (checkColumn(i))
				return true;
			if (checkRow(i))
				return true;
		}
		if (checkDiagnol1())
			return true;
		if (checkDiagnol2())
			return true;
		return false;
	}