IndexError

Level 1 of the Dungeon
(2, 0, D:1)
  3 poisoned darts
(8, -3, D:1)
  a quokka skeleton
(9, -5, D:1)
  3 stones
  a +0 dagger
  a kobold skeleton
(10, 19, D:1)
  a hobgoblin skeleton
(11, 18, D:1)
  a hobgoblin skeleton
(14, 8, D:1)
  a +0 war axe
(16, 17, D:1)
  a +0 ring mail
(25, -6, D:1)
  a bat skeleton
(25, 31, D:1)
  a +2 short sword of venom
(26, 25, D:1)
  a +0 dagger
(30, 26, D:1)
  5 stones
(31, -6, D:1)
  a +0 robe
(34, 18, D:1)
  a +0 club
(34, 22, D:1)
  a +0 dagger
  3 stones
(37, 14, D:1)
  2 stones
(39, 14, D:1)
  a quokka skeleton
(39, 22, D:1)
  a stone
(39, 23, D:1)
  5 stones
(42, 23, D:1)
  a bat corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a hobgoblin corpse (skeletalised by now)
(0, 19, D:2)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(1, -1, D:2)
  6 stones
(8, 25, D:2)
  a jackal skeleton
(38, 16, D:2)
  2 stones
(42, 11, D:2)
  a +0 helmet
(43, 11, D:2)
  a scarf of invisibility
(44, 11, D:2)
  a +0 chain mail
(44, 12, D:2)
  a +0 leather armour
(44, 14, D:2)
  4 stones
(44, 18, D:2)
  4 stones
  a +0 dagger
  a kobold skeleton
(45, 5, D:2)
  a +0 pair of gloves
(45, 13, D:2)
  a +0 scale mail
(46, 6, D:2)
  a +0 mace
(46, 10, D:2)
  a +0 club
  a +0 dagger
  a frilled lizard corpse (skeletalised by now)
  a ball python corpse (skeletalised by now)
  a goblin corpse (skeletalised by now)
(47, 2, D:2)
  a +0 dagger
  a goblin skeleton
(49, 9, D:2)
  a +0 dagger
(50, 21, D:2)
  a +0 robe

Level 3 of the Dungeon
(14, 5, D:3)
  a +0 robe
  a +0 dagger
(15, 8, D:3)
  a +0 flail
(17, 9, D:3)
  a +0 giant club
  an ogre skeleton
(18, 6, D:3)
  a hobgoblin skeleton
(21, -8, D:3)
  an adder corpse (skeletalised by now)
(28, 24, D:3)
  an adder skeleton
(44, 13, D:3)
  a +0 flail
(46, 18, D:3)
  2 poisoned darts
(53, 17, D:3)
  a +0 giant club
  an ogre skeleton
(60, 11, D:3)
  a scroll of noise
(61, 10, D:3)
  3 scrolls of identify
(64, 16, D:3)
  a +0 dagger

Level 4 of the Dungeon
(1, -1, D:4)
  an adder corpse (skeletalised by now)
(10, -10, D:4)
  a +0 flail
  a +0 club
  a gnoll corpse
(10, -9, D:4)
  a +0 flail
(10, -8, D:4)
  a +0 club
  an orc corpse
(10, -7, D:4)
  a +0 dagger
  a +0 chain mail
  an orc corpse
(10, 2, D:4)
  a +0 quarterstaff
(10, 17, D:4)
  a scroll of teleportation
(13, -1, D:4)
  a +0 whip
  a +0 robe
  a gnoll corpse
(14, -1, D:4)
  a +0 whip
(20, -26, D:4)
  a +0 tower shield