PiffPaffPuff

Level 1 of the Dungeon
(0, 0, D:1)
  a rat corpse

Level 2 of the Dungeon
(0, 0, D:2)
  a rat corpse
  a rat corpse
(7, 0, D:2)
  a rat corpse
(13, 10, D:2)
  10 stones
(29, 11, D:2)
  10 stones