Efficiency

Level 1 of the Dungeon
(15, 2, D:1)
  8 gold pieces
(39, 13, D:1)
  10 gold pieces
(41, 21, D:1)
  a +0 scale mail
(42, 17, D:1)
  a +0 short sword
(42, 20, D:1)
  a +0 dagger

Level 2 of the Dungeon
(0, 0, D:2)
  15 gold pieces

Level 3 of the Dungeon
(0, 0, D:3)
  a poisoned dart
(1, 1, D:3)
  a poisoned dart
(2, 1, D:3)
  a poisoned dart
(2, 3, D:3)
  6 poisoned darts
(3, 2, D:3)
  3 poisoned darts
(4, -2, D:3)
  19 stones
(4, 2, D:3)
  a +0 ring mail
  2 poisoned darts
(5, 3, D:3)
  a +0 hand axe
  a +0 club
  a +0 leather armour
  an uncursed amulet of guardian spirit
(10, 15, D:3)
  a +0 club
(15, -4, D:3)
  23 arrows
(26, -3, D:3)
  a +0 chain mail

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 robe
(4, -13, D:4)
  9 gold pieces
(9, -1, D:4)
  12 gold pieces
(17, -9, D:4)
  a +0 dagger
(26, 9, D:4)
  a +0 leather armour (still there?)
  a +0 rapier (still there?)
(27, 11, D:4)
  a +0 dagger
  (unseen)

Level 5 of the Dungeon
(0, 0, D:5)
  22 arrows
(2, -22, D:5)
  a +0 dagger
(10, 5, D:5)
  10 gold pieces
(43, 8, D:5)
  23 poisoned darts

Level 6 of the Dungeon
(0, 0, D:6)
  a +0 mace
(1, -31, D:6)
  10 gold pieces
(1, -30, D:6)
  19 sling bullets
(3, -39, D:6)
  a scroll of random uselessness
(6, -34, D:6)
  a +0 war axe
(8, -1, D:6)
  a bullfrog corpse (skeletalised by now)
(15, -1, D:6)
  30 stones

Level 7 of the Dungeon
(0, 0, D:7)
  10 gold pieces
(1, 16, D:7)
  a +0 dagger (still there?)
  a +0 robe (still there?)
  an orc corpse (skeletalised by now) (still there?)
(1, 21, D:7)
  a +0 dagger (still there?)
  a +0 robe (still there?)
  an orc corpse (skeletalised by now) (still there?)
(1, 22, D:7)
  a +0 club (still there?)
  a +0 chain mail (still there?)
(3, -12, D:7)
  11 stones
(4, -2, D:7)
  a jackal skeleton (still there?)
  a ball python skeleton (still there?)
(4, -1, D:7)
  a jackal corpse (skeletalised by now)
(4, 6, D:7)
  a cursed +2 long sword (still there?)
  a cursed +0 robe (still there?)
  a +0 flail (still there?)
  a +0 robe (still there?)
(6, 1, D:7)
  16 stones
(7, -8, D:7)
  a +0 hunting sling
(7, -1, D:7)
  a +0 robe (still there?)
  a +4 spear (still there?)
(8, 8, D:7)
  a cursed -3 dagger (still there?)
  an orc skeleton (still there?)
(8, 9, D:7)
  a +0 mace
  a +0 robe
  a +0 dagger
(8, 10, D:7)
  a +0 robe
  a +0 dagger
  a +0 flail
  a +0 plate armour
  a +0 short sword
  a +0 plate armour
  a +0 battleaxe
  an orc skeleton
(9, 12, D:7)
  a +0 leather armour (still there?)
  a +0 flail (still there?)
(11, 10, D:7)
  a +0 falchion
(13, 14, D:7)
  17 sling bullets
(14, 4, D:7)
  a +0 barding
(14, 8, D:7)
  a +0 dagger