IndexError

Level 1 of the Dungeon
(3, 31, D:1)
  a +0 leather armour
(4, -5, D:1)
  a ball python skeleton
(4, -4, D:1)
  a bat skeleton
(10, 8, D:1)
  a +0 pair of boots
(11, -5, D:1)
  a +0 mace
(12, 7, D:1)
  a jackal skeleton
(13, 7, D:1)
  a jackal skeleton
(15, 6, D:1)
  a rat skeleton
(17, -13, D:1)
  a +0 mace
  a hobgoblin skeleton
(19, 4, D:1)
  a +0 whip
(19, 7, D:1)
  a +0 club
(24, -11, D:1)
  a +0 short sword
(25, -16, D:1)
  a +0 club
(27, -14, D:1)
  a +0 leather armour
  a hobgoblin corpse (skeletalised by now)
(29, 19, D:1)
  a ball python corpse (skeletalised by now)
(45, 12, D:1)
  a +0 dagger
(48, 9, D:1)
  a +0 scale mail

Level 2 of the Dungeon
(1, 22, D:2)
  a +0 hammer
(13, 15, D:2)
  a rat corpse
(16, 4, D:2)
  a hobgoblin corpse
(17, 6, D:2)
  a +0 club
(26, -5, D:2)
  a frilled lizard corpse
(34, -12, D:2)
  a +0 dagger
  a goblin corpse
(36, -12, D:2)
  a +0 dagger
(36, -11, D:2)
  a +0 club
  a goblin corpse
(36, -10, D:2)
  a +0 dagger
(36, -9, D:2)
  a hobgoblin corpse
(37, -9, D:2)
  a +0 dagger
(38, -10, D:2)
  a +0 dagger
  a goblin corpse