3 # Preferences for quest features
5 # F:letter:feature:cave_info:monster:object:ego:artifact:trap:special
10 # Floor with random object
31 # Floor with monster (9 levels out of deep) and object (7 levels out of deep)
34 # Floor with monster (11 levels out of deep)
37 # Random trap or object
38 # (25% chance for trap, 75% chance for object hardcoded)