IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  7 stones
(1, 1, D:1)
  5 stones
(6, 25, D:1)
  a hobgoblin skeleton
(10, 30, D:1)
  4 stones
(11, 29, D:1)
  a +6 ring of dexterity
(12, 13, D:1)
  a +0 hand axe
(13, 20, D:1)
  a maw talisman
(19, 40, D:1)
  a hobgoblin corpse (skeletalised by now)
(20, 32, D:1)
  a frilled lizard corpse (skeletalised by now)
(21, 6, D:1)
  a bat skeleton
(25, 1, D:1)
  a +0 whip
(27, 40, D:1)
  a rat corpse (skeletalised by now)
(30, 43, D:1)
  a +0 club
(45, 24, D:1)
  a +0 whip
(46, 28, D:1)
  a beast talisman
(47, 3, D:1)
  a bat corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  11 gold pieces
(13, 5, D:2)
  a ribbon worm corpse
(14, 5, D:2)
  a jackal corpse