ref: 15bcd882288c2f7e4a902a44cd9b90d76306fcf9
dir: /data/wild/maps/RockTunnel1F.asm/
TunnelMonsB1: db 15 ; grass encounter rate db 16, ZUBAT db 17, ZUBAT db 17, GEODUDE db 15, MACHOP db 16, GEODUDE db 18, ZUBAT db 15, ZUBAT db 17, MACHOP db 13, ONIX db 15, ONIX db 0 ; water encounter rate