IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  5 stones
(4, 8, D:1)
  a +0 ring mail
(16, 19, D:1)
  a +0 club
(24, 47, D:1)
  a +0 whip
(36, 34, D:1)
  a +0 short sword
(38, 43, D:1)
  a +0 club

Level 2 of the Dungeon
(4, -16, D:2)
  a +0 dagger
(5, -28, D:2)
  a +0 helmet
(7, -29, D:2)
  a +0 club
(10, -26, D:2)
  a +0 dagger
(16, -10, D:2)
  a +0 flail
(20, -25, D:2)
  a +0 club
(20, 7, D:2)
  5 stones
(22, -7, D:2)
  a +0 ring mail
(23, -25, D:2)
  a stone
  a +0 whip
(27, -21, D:2)
  a +0 robe
(32, -6, D:2)
  a +0 leather armour
(33, -9, D:2)
  a +0 whip
(35, -7, D:2)
  a +0 robe
  a +0 dagger
(36, -12, D:2)
  a +0 spear
(37, -13, D:2)
  a +0 halberd
(39, -12, D:2)
  a +0 robe
  a +0 scythe
(41, 1, D:2)
  6 stones
(49, -8, D:2)
  a +0 club
(50, -28, D:2)
  a +0 whip
  a +0 leather armour
  an orc corpse (skeletalised by now)

Level 3 of the Dungeon
[Shop] Meacredgh's Assorted Antiques
  a +0 leather armour (44 gold)
  a scroll of teleportation (66 gold)
  a wand of polymorph (4) (123 gold)
  a potion of resistance (220 gold)
  a +4 ring mail of fire resistance (682 gold)
  2 potions of haste (440 gold)
  a lightning rod (4/4) (660 gold)
  a potion of resistance (220 gold)
  a scroll of immolation (88 gold)
(0, 0, D:3)
  a +3 dagger
  (unseen)
(4, -3, D:3)
  a +0 flail
  a +0 robe
  an orc corpse
(5, -4, D:3)
  a +0 club
  a goblin corpse
(12, 25, D:3)
  a +0 dagger
(19, 18, D:3)
  a +0 leather armour
(20, 22, D:3)
  a bat corpse
(33, 11, D:3)
  a +1 mace of draining
  an orc corpse (skeletalised by now)
(37, 14, D:3)
  a jackal corpse
(40, -1, D:3)
  a worm corpse
(40, 8, D:3)
  a +0 trident
  a +0 mace
(44, 18, D:3)
  a +0 plate armour
(47, 9, D:3)
  a +0 whip