IndexError

Level 1 of the Dungeon
(4, -15, D:1)
  a rat corpse (skeletalised by now)
(12, 1, D:1)
  a +0 spear
(14, -26, D:1)
  5 stones
(14, -25, D:1)
  4 stones
  a goblin corpse (skeletalised by now)
(15, -38, D:1)
  a ball python skeleton
(16, -42, D:1)
  a bat skeleton
(16, -41, D:1)
  a +0 club
  a goblin skeleton
(16, 8, D:1)
  a +0 dagger
(23, -31, D:1)
  a +0 mace
(24, -18, D:1)
  13 stones
  a hobgoblin corpse (skeletalised by now)
(25, -45, D:1)
  a ball python skeleton
(26, -25, D:1)
  a +0 leather armour
(30, -47, D:1)
  a hobgoblin corpse (skeletalised by now)
(31, 2, D:1)
  a ball python skeleton
(36, -38, D:1)
  a +0 whip
(37, -1, D:1)
  a frilled lizard skeleton
(39, 5, D:1)
  a +0 club
(41, -46, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(46, -13, D:1)
  a +0 ring mail
(51, -3, D:1)
  a jackal skeleton

Level 2 of the Dungeon
(9, -13, D:2)
  a jackal corpse (skeletalised by now)
(14, -11, D:2)
  an adder corpse (skeletalised by now)
(16, -9, D:2)
  a +0 dagger
(17, -15, D:2)
  a parchment of Sigil of Binding
(22, -10, D:2)
  a +0 scale mail
  a frilled lizard corpse (skeletalised by now)
(24, 12, D:2)
  a +0 short sword
  4 stones
  a hobgoblin corpse (skeletalised by now)
(25, 13, D:2)
  a +0 sling
  a +0 dagger
  a goblin corpse (skeletalised by now)
(26, -19, D:2)
  a +0 ring mail
(27, -17, D:2)
  a +0 club
(31, 3, D:2)
  a +0 leather armour
(35, -16, D:2)
  a rat corpse (skeletalised by now)
(37, 7, D:2)
  a +0 ring mail
(38, 4, D:2)
  a +0 dagger
(40, 4, D:2)
  a +0 dagger

Level 3 of the Dungeon
(10, -39, D:3)
  a +6 ring of dexterity
(15, -35, D:3)
  a +0 ring mail
(19, -19, D:3)
  a +0 whip
(19, -10, D:3)
  a rat corpse (skeletalised by now)
(19, -7, D:3)
  a +0 short sword
(22, -24, D:3)
  4 poisoned darts
(30, -41, D:3)
  a rimehorn talisman
(33, -40, D:3)
  a +0 robe
(33, -30, D:3)
  a +0 arbalest
(35, -29, D:3)
  a +0 club
  a goblin skeleton
(39, -27, D:3)
  a +0 club
  a goblin skeleton

Level 4 of the Dungeon
(0, 0, D:4)
  a ball python corpse (skeletalised by now)
(5, -10, D:4)
  a +0 leather armour
(11, -2, D:4)
  a +0 club
(14, -7, D:4)
  a +0 trident
  a +0 ring mail
(16, -5, D:4)
  a +0 robe
  a +0 dagger
  a +0 leather armour
  an orc corpse (skeletalised by now)
(18, 5, D:4)
  a ball python corpse (skeletalised by now)
(26, -41, D:4)
  a +0 scale mail
(35, -30, D:4)
  a parchment of Magic Dart
(42, -30, D:4)
  a giant cockroach corpse
(46, -16, D:4)
  a black bear corpse
(48, -7, D:4)
  a +0 long sword
(48, 2, D:4)
  a +0 club
(58, -41, D:4)
  a +0 dagger
(58, 2, D:4)
  a hound corpse (skeletalised by now)