Efficiency

Level 4 of the Dungeon
(0, 0, D:4)
  21 stones

Level 5 of the Dungeon
(0, 0, D:5)
  a +0 robe
(1, -3, D:5)
  6 gold pieces
(23, 13, D:5)
  a +0 dagger
(24, 18, D:5)
  8 gold pieces
(25, 16, D:5)
  8 gold pieces

Level 6 of the Dungeon
(0, 0, D:6)
  10 gold pieces
(2, -8, D:6)
  16 gold pieces
(3, -22, D:6)
  13 gold pieces
(8, 2, D:6)
  17 arrows
(8, 3, D:6)
  a +0 whip
(9, 9, D:6)
  a book of Vapours
(12, -23, D:6)
  12 gold pieces