Efficiency

Level 1 of the Dungeon
(0, 0, D:1)
  a dart slug corpse
(0, 6, D:1)
  19 gold pieces
(2, 0, D:1)
  a bat corpse
(11, -8, D:1)
  5 gold pieces
(13, 5, D:1)
  a +0 club (still there?)
  a goblin corpse (still there?)
(24, 13, D:1)
  6 gold pieces

Level 2 of the Dungeon
(0, 0, D:2)
  an adder corpse
(4, -6, D:2)
  a frilled lizard corpse
(7, -11, D:2)
  3 gold pieces
(17, 3, D:2)
  10 sling bullets
(18, -1, D:2)
  a jackal corpse