IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 dagger
(10, 21, D:1)
  a +0 club
  a goblin skeleton
(13, -12, D:1)
  a +0 robe
(13, 22, D:1)
  a talisman of death
(17, 13, D:1)
  5 stones
(35, -6, D:1)
  a +0 dagger
(36, 0, D:1)
  a +0 dagger
  a goblin skeleton
(39, -1, D:1)
  a jackal skeleton
(40, 1, D:1)
  a jackal skeleton
(42, 10, D:1)
  a +0 robe
(42, 13, D:1)
  a +0 club
  a goblin corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 1, D:2)
  5 stones
(5, 3, D:2)
  a +0 club
(26, -2, D:2)
  a beast talisman
(26, 25, D:2)
  a ball python corpse (skeletalised by now)
(35, 24, D:2)
  4 stones
(36, 16, D:2)
  a +0 mace
(45, -21, D:2)
  a +0 whip
(45, -4, D:2)
  4 stones
(48, 12, D:2)
  a frilled lizard skeleton
(50, -21, D:2)
  8 gold pieces
(50, -9, D:2)
  a +0 robe