Efficiency

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 leather armour
(3, -13, D:3)
  15 gold pieces
(36, 16, D:3)
  a book of Iron
(40, -1, D:3)
  6 gold pieces
(44, -3, D:3)
  a +0 mace
(44, 6, D:3)
  a +0 ring mail
(44, 16, D:3)
  a +0 dagger
  3 stones
(46, 16, D:3)
  a gold piece
(47, 10, D:3)
  15 arrows
(48, 11, D:3)
  a +0 fustibalus
(49, 11, D:3)
  5 gold pieces

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 leather armour
  a +0 club
(0, 1, D:4)
  a +0 hand axe
  a +0 robe
  a +2 dagger of pain
  a +0 robe
  a +0 dagger
(4, 30, D:4)
  9 gold pieces
(9, 1, D:4)
  12 bolts
(14, 5, D:4)
  a +0 dagger (still there?)
  a +0 robe (still there?)
(14, 6, D:4)
  a +0 club
  a +0 whip
(15, 5, D:4)
  a +0 dagger (still there?)
  a +0 hand axe (still there?)
(15, 27, D:4)
  a +0 robe

Level 5 of the Dungeon
(0, 0, D:5)
  a +0 short sword
(0, 22, D:5)
  a +0 chain mail
(2, 0, D:5)
  a quokka corpse (skeletalised by now)
(3, 21, D:5)
  a +0 leather armour
(6, 9, D:5)
  18 arrows
(14, 18, D:5)
  a +0 short sword
(15, 3, D:5)
  26 stones
(24, 8, D:5)
  an adder corpse (skeletalised by now)
(24, 10, D:5)
  a +0 giant club
(24, 15, D:5)
  12 arrows

Level 6 of the Dungeon
(0, 0, D:6)
  a +0 chain mail
  a +0 dagger
  an orc corpse
(2, 0, D:6)
  a +0 dagger
  a +0 robe
  a +0 dagger
  an orc corpse
  an orc corpse
(3, 0, D:6)
  25 stones
  a +0 scale mail
  a +0 club
  a +0 ring mail
  a +0 dagger
  an orc corpse (skeletalised by now)
  an orc corpse (skeletalised by now)
  a hound corpse (skeletalised by now)
(4, -4, D:6)
  a +0 giant club (still there?)
  an ogre corpse (skeletalised by now) (still there?)
(14, 0, D:6)
  8 sling bullets

Level 7 of the Dungeon
(0, 0, D:7)
  a +0 spear
(3, -14, D:7)
  a +0 club
  a +0 flail
  a +0 antimagic spear
  a +0 scale mail
  a gnoll corpse
(5, 5, D:7)
  a +0 hand axe

Level 8 of the Dungeon
(0, 0, D:8)
  a killer bee corpse