Efficiency

Level 5 of the Dungeon
(0, 0, D:5)
  12 gold pieces
(12, -30, D:5)
  13 gold pieces
(13, -37, D:5)
  a +0 hand axe (still there?)
  a +0 mace (still there?)
(14, -35, D:5)
  22 poisoned darts
(15, -38, D:5)
  a +0 flail (still there?)
  a +0 ring mail (still there?)
  a +0 club (still there?)
  an orc corpse (still there?)
(15, -37, D:5)
  a +0 long sword (still there?)
  an orc corpse (still there?)
(15, -36, D:5)
  a +0 mace (still there?)
  an orc corpse (still there?)
(22, -30, D:5)
  a wand of flame (5)

Level 6 of the Dungeon
(0, 0, D:6)
  a +0 leather armour
(0, 2, D:6)
  15 arrows
(1, 2, D:6)
  a scorpion corpse
(3, 1, D:6)
  an adder corpse
(6, -5, D:6)
  13 gold pieces
(6, -4, D:6)
  a piece from Xom's chessboard (15/15)
(7, 13, D:6)
  12 gold pieces
(11, -5, D:6)
  18 gold pieces (still there?)
  a staff of poison (still there?)
(11, -4, D:6)
  18 gold pieces
(13, -6, D:6)
  11 sling bullets
(14, 11, D:6)
  a +0 hand axe
(16, 2, D:6)
  a +0 club
(18, 0, D:6)
  21 bolts
(24, 6, D:6)
  16 stones

Level 7 of the Dungeon
(0, 0, D:7)
  9 gold pieces
(5, -25, D:7)
  a scroll of identify
(6, -27, D:7)
  a +0 ring mail
(8, -27, D:7)
  a book of Callings