セイヨウマツのトラップドア

facing=east,half=bottom,open=false facing=east,half=bottom,open=true facing=east,half=top,open=false facing=east,half=top,open=true facing=north,half=bottom,open=false facing=north,half=bottom,open=true facing=north,half=top,open=false facing=north,half=top,open=true facing=south,half=bottom,open=false facing=south,half=bottom,open=true facing=south,half=top,open=false facing=south,half=top,open=true facing=west,half=bottom,open=false facing=west,half=bottom,open=true facing=west,half=top,open=false facing=west,half=top,open=true