Efficiency

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 leather armour
(42, -6, D:1)
  a +0 whip
  4 stones

Level 2 of the Dungeon
(0, 0, D:2)
  9 gold pieces
(16, 9, D:2)
  a +0 leather armour
(22, 6, D:2)
  a +0 hunting sling
(23, 7, D:2)
  a +0 whip
(23, 8, D:2)
  12 arrows
(26, 8, D:2)
  a +0 dagger (still there?)
  a kobold corpse (skeletalised by now) (still there?)
(29, 8, D:2)
  a +0 hand axe

Level 3 of the Dungeon
(0, 0, D:3)
  a book of Conjurations
(10, 1, D:3)
  a +1 dagger of draining (still there?)
  a goblin corpse (skeletalised by now) (still there?)

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 club
  a goblin corpse (skeletalised by now)
(30, -9, D:4)
  a stone
(30, -8, D:4)
  a jackal corpse

Level 5 of the Dungeon
(0, 0, D:5)
  13 gold pieces

Level 7 of the Dungeon
(0, 0, D:7)
  18 stones
(9, -5, D:7)
  19 gold pieces
(11, 1, D:7)
  12 arrows
(19, 6, D:7)
  a Necronomicon
(21, 1, D:7)
  a +0 war axe (still there?)
  an orc corpse (still there?)
(21, 15, D:7)
  a scroll of teleportation