ref: 6fa8a553cbb53a9abe59bee8d0cc176d19cde47f
dir: /data/wild/maps/Route1.asm/
Route1Mons: db 25 ; grass encounter rate db 3, PIDGEY db 3, RATTATA db 3, RATTATA db 2, RATTATA db 2, PIDGEY db 3, PIDGEY db 3, PIDGEY db 4, RATTATA db 4, PIDGEY db 5, PIDGEY db 0 ; water encounter rate