1. The plaintiffs' appeal is dismissed.

2. The costs of appeal, including the part arising from the supplementary participation, are assessed against the Plaintiffs.

1. The court's explanation concerning this case is identical to the reasoning of the judgment of the court of first instance. Thus, the court's explanation concerning this case is acceptable as it is in accordance with Article 8 (2) of the Administrative Litigation Act and the main sentence of Article 420

(1) In conclusion, the court of first instance that rejected the plaintiffs' claims on February 2, 201, and the judgment of first instance that rejected the plaintiffs' claims on the grounds that the plaintiff's claims are justified, and the judgment of first instance is just in conclusion as it is reasonable in conclusion. Thus, the appeal by the plaintiffs is dismissed as it is without merit. It is so decided as per Disposition by the assent of all participating Justices.