What is the cheat code to navel rock on Pokemon LeafGreen?

These are the codes.

97C2EBE303EF

7289329073BF

Note 1: You need the Master codes activated. They are listed below.

9820F6AE8203

8359EBCF20F5

DC89BB73F72F

Note 2: Hold L while entering or exiting a building.