Efficiency

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 flail (still there?)
  a +0 leather armour (still there?)
(1, 1, D:4)
  a leopard gecko corpse
(11, -15, D:4)
  a +0 robe
(14, -12, D:4)
  a worker ant corpse

Level 5 of the Dungeon
(0, 0, D:5)
  a hound corpse
(3, 17, D:5)
  15 arrows
(4, 14, D:5)
  10 gold pieces
(9, 20, D:5)
  15 stones
(10, 33, D:5)
  a +0 leather armour
(10, 39, D:5)
  a +0 hand crossbow
(11, 17, D:5)
  a +0 rapier
(12, 33, D:5)
  19 stones
(12, 39, D:5)
  a +0 spear
(13, 34, D:5)
  18 arrows
(13, 38, D:5)
  31 sling bullets
(13, 41, D:5)
  a jackal corpse (still there?)
  a quokka corpse (still there?)
(14, 35, D:5)
  13 stones
(15, 24, D:5)
  24 arrows

Level 6 of the Dungeon
(2, -6, D:6)
  11 gold pieces
(3, 28, D:6)
  a +0 robe
(26, 36, D:6)
  a +0 dagger
(35, 41, D:6)
  11 gold pieces

Level 7 of the Dungeon
(0, 0, D:7)
  a scroll of teleportation
(1, 19, D:7)
  16 gold pieces