ref: bc287b9b80cec819e6df7b6b1ff7110eabf606f7
dir: /data/wild/maps/RockTunnelB1F.asm/
TunnelMonsB2: db 15 ; grass encounter rate db 16, ZUBAT db 17, ZUBAT db 17, GEODUDE db 15, MACHOP db 16, GEODUDE db 18, ZUBAT db 17, MACHOP db 17, ONIX db 13, ONIX db 18, GEODUDE db 0 ; water encounter rate