I tried this:
CITY.TXT
[Area 49]
area_name=B********
world_pos=134,433
start_state=On
;lock_state=on
size=Medium
townmap_art_idx=156
townmap_label_art_idx=469
entrance_0=On,130,310,bwstart,0,16519,2
entrance_1=Off,140,330,bwsquat,0,12907,3
entrance_2=Off,150,350,bwlabs,1,21343,0...