To navigate through Silph Co in Pokémon Let's Go efficiently and find all employees, follow these steps:

1. Start by going down from the entrance until you reach an intersection with two sets of stairs.

2. Take the left set of stairs (going up) to get to Floor 3.

On Floor 3:

- There will be a locked door on your right side. To access it, look for a Key Card somewhere in Silph Co or obtain one from other areas like Professor Elm's lab.

3. Once inside, go down and left through the doors until you reach an area with several rooms.

4. Go into each room to find employees who need saving.

Some specific tips:

- On Floor 9, there is a female Team Rocket Grunt next to some beds on your right side. She won't challenge you if she's not busy, so feel free to pass by her without engaging in battle.

To access hidden areas and items:

1. Go up from the entrance until you reach an elevator.

2. Press B (or whatever button is marked with a downward-pointing arrow) instead of A/B (up/down).

3. This will take you down several floors, ending at Floor 10 or possibly another floor depending on your route.

On Floor 10:

- There's a large storage area filled with valuable items to pick up.

4. Make sure not to miss any hidden rooms or secret passages as they may contain additional employees waiting for rescue and/or useful items.

Additional tips:

* Be cautious when exploring, especially near elevators since some areas can be quite treacherous!

* Keep an eye out for Team Rocket members - defeating them will give you valuable experience points (EXP) and sometimes even rare Pokémon if luck is on your side!

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