after falling through the first one go up, left, right, down.
i assume you mean leafgreen. use cut on the door.
use cut on the door then go left then up then rite then down in the holes.
Dotted Hole is not a normal cave once you fall down the first hole you must fall down the holes in a certain order and the order is: Up, Left, Right, Down.
Remeber it as a 's', up, left, right, down.
You need to use Cut on the metal door
dotted hole is on the south side of six island. (the sapphire is in there) a little extra info: dotted hole does have braille in it.
Its in dotted hole not lost cave, in dotted hole fall down the first hole then you will see four holes fall in them in this order: up, left, right, down then take the sapphire.
Six island its a cave in the southern portion of the island.
You can find the sapphire in the dotted hole cave on six island to find the cave go to the southern portion of the island, use Cut on the door to open it then fall down the hole in the cave then fall down the holes in this sequence: up, left, right, down.
The sapphire is on Six Island. You need a Pokemon to use cut on the dotted door of the cave.
cut the door
Stand in front of the door and have a pokemon use the HM move CUT. The door will break and you are able to enter the cave.