IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 sling
(1, -16, D:1)
  a +0 short sword
  2 stones
  a kobold corpse (skeletalised by now)
(7, 3, D:1)
  a +0 spear
(9, -13, D:1)
  a ball python skeleton
(11, 2, D:1)
  a +0 dagger
  a kobold skeleton
(11, 16, D:1)
  a +0 club
(12, 2, D:1)
  a frilled lizard skeleton
(12, 6, D:1)
  a +0 dagger
  a goblin skeleton
(13, 18, D:1)
  a +0 club
(20, -4, D:1)
  2 stones
(20, 1, D:1)
  a goblin skeleton
(24, -7, D:1)
  a ball python skeleton
(26, -2, D:1)
  6 stones
(36, -25, D:1)
  a hobgoblin corpse (skeletalised by now)
(36, 11, D:1)
  a hobgoblin skeleton
(41, -13, D:1)
  6 stones
(49, 7, D:1)
  a +0 club
  a goblin skeleton

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 hand axe
(0, 3, D:2)
  7 stones
(0, 7, D:2)
  7 stones
(1, -4, D:2)
  a +0 short sword
  7 stones
  a kobold corpse (skeletalised by now)
(18, -20, D:2)
  a +0 club
(20, -16, D:2)
  an adder corpse (skeletalised by now)
(28, -1, D:2)
  a +0 leather armour
(29, -15, D:2)
  a +0 dagger
  a goblin corpse
(35, -24, D:2)
  a +0 dagger
  a goblin corpse
(38, -15, D:2)
  a +0 dagger
  a hobgoblin corpse
(45, 16, D:2)
  a +0 dagger
  a goblin corpse (skeletalised by now)