Efficiency

Level 1 of the Dungeon
(0, 0, D:1)
  9 gold pieces
(2, -4, D:1)
  a +0 leather armour
(8, -16, D:1)
  a +0 dagger
(11, -15, D:1)
  5 gold pieces
(11, -14, D:1)
  4 gold pieces
(15, 6, D:1)
  26 stones
(20, -20, D:1)
  4 gold pieces
(27, 5, D:1)
  9 gold pieces
(30, -25, D:1)
  13 gold pieces
(32, -7, D:1)
  a +0 scale mail

Level 2 of the Dungeon
(0, 0, D:2)
  19 bolts
(8, -26, D:2)
  22 arrows
(14, 0, D:2)
  a +0 club
  (unseen)

Level 3 of the Dungeon
(0, 0, D:3)
  7 gold pieces
(5, -9, D:3)
  a +0 ring mail
(9, -9, D:3)
  a +0 club
  a +0 leather armour
  an orc corpse (skeletalised by now)
(9, -5, D:3)
  a +0 leather armour
(25, 9, D:3)
  20 arrows
(30, 13, D:3)
  24 stones
(39, 19, D:3)
  an adder skeleton (still there?)
  a jackal skeleton (still there?)
(43, 19, D:3)
  a jackal skeleton
(46, 27, D:3)
  24 arrows

Level 4 of the Dungeon
(0, 0, D:4)
  11 gold pieces
(11, 7, D:4)
  a worm corpse
(24, 13, D:4)
  a scroll of remove curse