Efficiency

Level 1 of the Dungeon
(0, 0, D:1)
  a rat corpse
(6, 9, D:1)
  3 gold pieces
(10, 10, D:1)
  12 gold pieces
(13, 2, D:1)
  a ball python corpse
(15, 4, D:1)
  a +0 club (still there?)
  a goblin corpse (still there?)
(24, 13, D:1)
  a +0 short sword (still there?)
  a kobold corpse (still there?)
(27, 17, D:1)
  a potion of mutation
(37, -14, D:1)
  10 gold pieces
(42, 2, D:1)
  a +0 helmet

Level 2 of the Dungeon
(0, 0, D:2)
  21 arrows