IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a ball python skeleton
(3, -24, D:1)
  a quokka corpse (skeletalised by now)
(3, -13, D:1)
  a +0 short sword
  4 stones
  a kobold skeleton
(4, -13, D:1)
  a quokka skeleton
(7, 7, D:1)
  a quokka corpse (skeletalised by now)
(10, 0, D:1)
  a +0 chain mail
(11, 18, D:1)
  a +0 club
(13, -5, D:1)
  a bat skeleton
(13, 16, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(19, -13, D:1)
  8 stones
(23, 12, D:1)
  a +0 dagger
(24, -14, D:1)
  a +0 club
(30, -28, D:1)
  a +0 spear
(31, 2, D:1)
  a +0 dagger
(33, -21, D:1)
  a bat skeleton
(36, 4, D:1)
  a +0 dagger
(38, -28, D:1)
  a +2 pair of gloves
(40, -10, D:1)
  a +0 hand axe
(47, 4, D:1)
  a bat corpse (skeletalised by now)
(47, 17, D:1)
  a +0 dagger
(48, 1, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(51, -3, D:1)
  a +0 whip
(54, 1, D:1)
  a +0 mace

Level 2 of the Dungeon
(0, 0, D:2)
  a jackal corpse (skeletalised by now)
(4, 0, D:2)
  a jackal corpse (skeletalised by now)
(6, -30, D:2)
  a +0 short sword
  a +0 sling
  a +0 chain mail
  a kobold corpse (skeletalised by now)
(16, -16, D:2)
  a frilled lizard skeleton
(20, 22, D:2)
  a +0 pair of gloves
(25, 1, D:2)
  a bat corpse (skeletalised by now)
(31, -4, D:2)
  a +0 leather armour
(35, -4, D:2)
  a +0 dagger
  a hobgoblin skeleton
(37, -22, D:2)
  a +0 club
  a goblin skeleton
(38, -10, D:2)
  a frilled lizard skeleton
(38, 8, D:2)
  an adder skeleton
(39, -4, D:2)
  a +0 dagger
(39, 15, D:2)
  a +0 scale mail
(49, -6, D:2)
  a +0 rapier
(49, -5, D:2)
  a ball python skeleton
(50, 5, D:2)
  a +1 dagger of venom
(51, -20, D:2)
  a +0 robe
  a human skeleton
(54, -26, D:2)
  a +0 ring mail
(56, 5, D:2)
  a rat skeleton
(57, 25, D:2)
  an adder corpse (skeletalised by now)
(61, -23, D:2)
  a +0 club

Level 3 of the Dungeon
(25, -42, D:3)
  a scroll of blinking
(32, -42, D:3)
  a +0 flail (still there?)
  a +3 whip of freezing (still there?)
  a gnoll corpse (still there?)