Efficiency

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 club (still there?)
  a hobgoblin corpse (still there?)
(2, -20, D:1)
  10 gold pieces
(5, -6, D:1)
  a +0 robe
(9, 5, D:1)
  a +0 club
(13, -25, D:1)
  15 bolts

Level 2 of the Dungeon
(0, 0, D:2)
  a dart slug corpse

Level 3 of the Dungeon
(0, 0, D:3)
  a stone
(3, -1, D:3)
  a +0 mace
(17, -13, D:3)
  a +0 whip
(19, -16, D:3)
  a +0 short sword