Efficiency

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 short sword
  a kobold corpse
(3, -22, D:1)
  a +0 great sword
(4, -27, D:1)
  a hobgoblin corpse
(7, -28, D:1)
  22 arrows
(12, 3, D:1)
  a hobgoblin corpse
(15, -23, D:1)
  a bat corpse
(16, -20, D:1)
  a +0 dagger (still there?)
  2 stones (still there?)
(23, -28, D:1)
  a +0 club
  a frilled lizard corpse
(26, -23, D:1)
  2 gold pieces

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger
(6, 0, D:2)
  a +0 dagger (still there?)
  a goblin corpse (still there?)

Level 3 of the Dungeon
(1, -2, D:3)
  a bat corpse