Efficiency

Level 3 of the Dungeon
(0, 0, D:3)
  7 stones

Level 4 of the Dungeon
(0, 0, D:4)
  9 gold pieces
(3, -1, D:4)
  a +0 spear

Level 5 of the Dungeon
(6, 15, D:5)
  23 stones

Level 6 of the Dungeon
(0, 0, D:6)
  a scroll of identify
(1, -9, D:6)
  21 gold pieces
(2, 1, D:6)
  12 sling bullets
(7, 0, D:6)
  2 potions of mutation
(8, 1, D:6)
  a scroll of teleportation (still there?)
  a +0 trident (still there?)
(8, 3, D:6)
  14 gold pieces
(9, 8, D:6)
  a +0 robe
(10, 1, D:6)
  15 gold pieces
(10, 3, D:6)
  a book of the Senses
(13, -1, D:6)
  a potion of mutation

the Ecumenical Temple
(17, -8, Temple)
  a +0 leather armour
  a +0 short sword
  an orc corpse