[전방일치/ 서명:Polar day %252525252525252525252525252525252525252525252525252525252525252525252525252525252525EF%252525252525252525252525252525252525252525252525252525252525252525252525252525252525BC%25252525252525252525252525252525252525252525252525252525252525252525252525252525252586 night.]