IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 club
  a goblin corpse (skeletalised by now)
(7, -11, D:1)
  a +0 club
  5 stones
  a kobold corpse (skeletalised by now)
(7, -10, D:1)
  a +0 animal skin
(11, -6, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(24, -12, D:1)
  a +0 dagger
  a +0 dagger
(24, -11, D:1)
  a +0 war axe
(29, -28, D:1)
  a +0 robe
(33, -2, D:1)
  8 stones
(35, -24, D:1)
  a jackal corpse (skeletalised by now)
  a jackal corpse (skeletalised by now)
(37, -25, D:1)
  a +0 club
  a gnoll corpse (skeletalised by now)
(44, -20, D:1)
  a +0 leather armour

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 spear
  a gnoll skeleton
(1, -1, D:2)
  a +0 club
  a +0 flail
  a gnoll skeleton
  a gnoll skeleton
(9, -10, D:2)
  a +0 short sword
  3 stones
  a kobold skeleton
(12, 3, D:2)
  a bat skeleton
(13, 16, D:2)
  a +0 dagger
  2 stones
(18, -1, D:2)
  a ball python skeleton
(20, 22, D:2)
  a rat skeleton
(22, 25, D:2)
  a +0 dagger
(26, -15, D:2)
  4 stones
  a hobgoblin skeleton
(30, -3, D:2)
  a +0 whip
  5 stones
(30, 34, D:2)
  a +0 dagger
  a goblin skeleton
(33, 29, D:2)
  an adder skeleton
(36, -12, D:2)
  a +0 dagger
  a goblin corpse
(43, -1, D:2)
  a +0 dagger

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 ring mail
(4, -3, D:3)
  a +0 spear
(4, 1, D:3)
  a +0 dagger
  a goblin corpse
(4, 2, D:3)
  a +0 club
  a goblin corpse
(4, 11, D:3)
  a +0 scale mail
(6, 12, D:3)
  a frilled lizard corpse
(7, 3, D:3)
  10 gold pieces
  a +5 trident of venom
  a +0 animal skin
  a +0 helmet
(8, 4, D:3)
  a +0 dagger
  a +0 club
  a hobgoblin corpse
  a goblin corpse
(8, 6, D:3)
  a +0 club
(9, 4, D:3)
  a hobgoblin corpse
(9, 5, D:3)
  a +0 club (still there?)
  a +0 club (still there?)
  a +1 sling of freezing (still there?)
(10, 17, D:3)
  a +0 club
  a +0 scale mail
  an orc corpse
  an adder corpse
(12, 5, D:3)
  a scroll of teleportation
(12, 17, D:3)
  a frilled lizard corpse
(20, 22, D:3)
  a +0 ring mail