You have to get to the far right , fight everyone and get the sapphire. If you don't have the codes, then save lorelei, use cut on the dotted hole and get it where the scientist will steal it.
no
kill there boss
The director will be in the rockets underground warehouse.
beat them daahh
Train your pokemon to a higher level.
battle the red gyrados at the lake of rage and then go to the souvenir shop
You have to beat team rockets warehouse in mahogony gift shop.
The rocket warehouse is in five isle meadow guarded by three rockets. If your Pokemon are level 58 or above you should be able to defeat them.
There are a ouple of them, one of them you get a master ball, the other you get poke flute. either way, you need to complete to move on.
island five, go east through the grass, than go south and there you see a building with the "R" on the door.
After beating u should get the Sapphire Gem. Now go to 1 Island's Pokemon Center. Talk with Celio
veilstone city, if you come from solacon town and take the upper route you go right until u see the wall go up and follow the path into the warehouse (to get in u need to beat gym leader of veilstone city aka Maylene