Efficiency

Level 1 of the Dungeon
(0, 0, D:1)
  a giant cockroach corpse
(11, -8, D:1)
  a +0 ring mail

Level 2 of the Dungeon
(0, 0, D:2)
  a dart slug corpse
(2, 1, D:2)
  a +0 club (still there?)
  a goblin corpse (still there?)
(6, 8, D:2)
  6 gold pieces
(7, -1, D:2)
  7 gold pieces
(7, 1, D:2)
  31 stones
(9, -20, D:2)
  27 arrows
(12, -24, D:2)
  27 arrows
(19, -19, D:2)
  9 stones

Level 3 of the Dungeon
(0, 0, D:3)
  27 arrows
(1, 3, D:3)
  a +0 mace
(2, 1, D:3)
  a +0 whip
(11, -2, D:3)
  an adder corpse
(12, -6, D:3)
  a potion of berserk rage
(14, -6, D:3)
  a scroll of holy word