IndexError

Level 1 of the Dungeon
(6, 3, D:1)
  a rat skeleton
(17, 15, D:1)
  a +0 sling
(23, 11, D:1)
  a frilled lizard corpse (skeletalised by now)
(29, -11, D:1)
  a +0 ring mail
(34, 21, D:1)
  a +0 dagger
  a kobold corpse (skeletalised by now)
(38, -6, D:1)
  a hobgoblin skeleton

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger
  a kobold corpse
(1, -17, D:2)
  4 poisoned darts
(4, -24, D:2)
  a potion of attraction
(7, -11, D:2)
  a scroll of immolation
(13, -12, D:2)
  a +0 plate armour
(22, -38, D:2)
  a +0 chain mail
(22, 6, D:2)
  a ball python corpse (skeletalised by now)