Efficiency

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 leather armour

Level 3 of the Dungeon
(0, 0, D:3)
  22 stones

Level 4 of the Dungeon
(0, 0, D:4)
  a potion of degeneration
(1, 0, D:4)
  a +0 hand axe
(2, -2, D:4)
  a +0 giant spiked club
  a +0 falchion
  an ogre corpse (skeletalised by now)
  an orc corpse (skeletalised by now)
  an orc corpse (skeletalised by now)
(3, -1, D:4)
  a +0 mace
(26, 3, D:4)
  22 stones
(28, 19, D:4)
  a hound corpse (skeletalised by now)
(30, 27, D:4)
  a poisoned dart
(31, 26, D:4)
  a worker ant corpse
(36, 10, D:4)
  a +0 club
(38, 8, D:4)
  a leopard gecko corpse
(38, 9, D:4)
  12 stones
  a +0 leather armour
  an orc corpse
(38, 10, D:4)
  a +0 dagger
  a cursed +0 robe
(38, 11, D:4)
  a stone
(39, 13, D:4)
  a cursed +0 scale mail
  an orc corpse
(41, 12, D:4)
  a poisoned dart
(43, 11, D:4)
  a poisoned dart
(45, 10, D:4)
  2 poisoned darts
(46, 10, D:4)
  7 gold pieces

Level 5 of the Dungeon
(0, 0, D:5)
  a leopard gecko corpse
(2, -1, D:5)
  a rat corpse
(2, 0, D:5)
  a poisoned dart
(2, 2, D:5)
  an orc corpse
(3, 1, D:5)
  7 gold pieces (still there?)
  a rat corpse (still there?)
(7, -5, D:5)
  18 gold pieces

Level 6 of the Dungeon
(0, 0, D:6)
  13 arrows
(2, 8, D:6)
  10 gold pieces
(4, 7, D:6)
  a potion of berserk rage
(7, 8, D:6)
  a +4 ring of evasion
(8, 8, D:6)
  an uncursed staff of death
(10, 8, D:6)
  a +0 robe
(11, 8, D:6)
  8 stones