IndexError

Level 1 of the Dungeon
(4, 3, D:1)
  a +0 hand axe
(10, -44, D:1)
  3 stones
  a +0 whip
(22, -16, D:1)
  a +0 club
(25, -40, D:1)
  2 stones
  a +0 dagger
(28, -12, D:1)
  a +0 mace
(47, -50, D:1)
  5 stones
(54, -50, D:1)
  a +0 long sword

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger
(7, -6, D:2)
  a +0 mace
(8, 28, D:2)
  a +0 short sword
(10, 16, D:2)
  3 stones
(15, 13, D:2)
  a +0 club
(22, 5, D:2)
  a +0 short sword
(26, 30, D:2)
  9 stones
(30, 30, D:2)
  a +0 club
  2 stones
(31, -11, D:2)
  a +0 whip
(38, -2, D:2)
  4 stones
(40, -1, D:2)
  5 stones
  a +0 club

Level 3 of the Dungeon
(8, 41, D:3)
  a +0 dagger
  a +0 sling
(17, 39, D:3)
  a +0 spear
(32, 42, D:3)
  a +0 hand axe
  a +0 dagger
(33, 42, D:3)
  a +0 short sword
(34, 17, D:3)
  a +0 short sword
(39, 31, D:3)
  a +0 club
(40, 31, D:3)
  a +0 flail
(41, 42, D:3)
  a +0 club
(44, 9, D:3)
  5 stones
(46, 36, D:3)
  a +0 club
(47, 11, D:3)
  a +0 war axe
  6 stones
  a potion of flight
  19 gold pieces
  a +0 dagger
  a +0 ring mail
  an orc corpse
  an orc corpse
(48, 11, D:3)
  a +0 halberd
(51, 11, D:3)
  a +0 whip (still there?)
  2 boomerangs of dispersal (still there?)
  a +0 scale mail (still there?)
(51, 16, D:3)
  a +0 flail
(52, 11, D:3)
  a +0 short sword
  a +0 war axe
  a +0 club
  a +0 whip
  an orc corpse
  an orc corpse
  an orc corpse
(53, 12, D:3)
  a +0 morningstar
  a +0 scale mail
  a +0 dagger
  an orc corpse
(53, 45, D:3)
  a +0 mace
  a +0 flail
(53, 47, D:3)
  a +0 hand axe
  2 boomerangs
(55, 23, D:3)
  a +0 morningstar
(59, 17, D:3)
  a +0 short sword
  a +0 leather armour
  an orc corpse
(61, 12, D:3)
  a +0 flail
  a +0 club
  a gnoll skeleton
(62, 19, D:3)
  a +0 spear
  a +0 dagger
  a gnoll corpse
(66, -4, D:3)
  a jackal corpse (skeletalised by now)