IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 battleaxe
(0, 4, D:1)
  a book of Misfortune
  a rat corpse (skeletalised by now)
(6, 5, D:1)
  3 stones
(10, 36, D:1)
  a +0 short sword
(18, 40, D:1)
  a ball python corpse (skeletalised by now)
(37, 26, D:1)
  a +0 sling
(38, 41, D:1)
  an amulet of faith
(39, 2, D:1)
  a jackal skeleton
  a jackal skeleton
(40, 24, D:1)
  a +0 dagger
(42, 34, D:1)
  a hobgoblin skeleton
  a quokka skeleton
(47, 34, D:1)
  a +0 ring mail
(52, 47, D:1)
  a +0 animal skin

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger
(0, 24, D:2)
  a hobgoblin corpse (skeletalised by now)
(15, -9, D:2)
  a rat skeleton
(24, 1, D:2)
  6 stones
(25, 10, D:2)
  a book of Conjurations
(26, 8, D:2)
  a bat skeleton
(26, 9, D:2)
  an adder skeleton
(29, -5, D:2)
  a bat skeleton
(30, 11, D:2)
  a +0 dagger
(45, 1, D:2)
  a maw talisman

Level 3 of the Dungeon
(3, 0, D:3)
  7 stones
(6, 6, D:3)
  a +0 spear
(7, 32, D:3)
  an adder skeleton
(13, 42, D:3)
  a +0 sling
(18, 12, D:3)
  a +0 dagger {Ai}
(20, 30, D:3)
  a quokka skeleton
(41, 24, D:3)
  a ball python skeleton
(44, 20, D:3)
  a bat skeleton
(46, 35, D:3)
  6 stones
(48, 21, D:3)
  a rat skeleton
(50, 20, D:3)
  a +0 club
(53, 11, D:3)
  a bat skeleton
(58, -11, D:3)
  4 stones
(64, 27, D:3)
  a +0 hand axe
  a +0 dagger
  a +0 ring mail
  a +0 flail
  a hobgoblin corpse (skeletalised by now)
  an orc corpse (skeletalised by now)
  an orc corpse (skeletalised by now)
  an orc corpse (skeletalised by now)
(64, 28, D:3)
  a +0 dagger
  a +0 ring mail
  a +0 dagger
  a +0 ring mail
  an orc corpse (skeletalised by now)

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 spear
  a gnoll corpse
(1, -1, D:4)
  a +0 whip
  a +0 whip
  an adder corpse
(2, -4, D:4)
  a book of Spontaneous Combustion
(3, -11, D:4)
  3 stones
(4, -4, D:4)
  a +0 dagger
(15, 17, D:4)
  a +0 leather armour
(41, -6, D:4)
  a hound corpse (skeletalised by now)