Efficiency

Level 1 of the Dungeon
(0, 0, D:1)
  2 poisoned darts
(5, 1, D:1)
  19 sling bullets
(9, -32, D:1)
  a +0 club (still there?)
  a goblin corpse (still there?)

Level 2 of the Dungeon
(0, 0, D:2)
  11 gold pieces
(7, 3, D:2)
  a +0 leather armour
(7, 4, D:2)
  20 stones
(16, 16, D:2)
  4 gold pieces
(20, -2, D:2)
  10 gold pieces
(23, 7, D:2)
  13 gold pieces
(23, 17, D:2)
  a +0 club (still there?)
  a goblin corpse (still there?)

Level 3 of the Dungeon
(0, 0, D:3)
  24 arrows
(2, 3, D:3)
  31 stones
(30, 4, D:3)
  a +0 trident (still there?)
  a +0 leather armour (still there?)
  an orc corpse (still there?)
(30, 5, D:3)
  a +0 dagger (still there?)
  a +0 chain mail (still there?)
  an orc corpse (still there?)
(31, 4, D:3)
  a +0 club