IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a rat corpse (skeletalised by now)
(15, -14, D:1)
  a rat corpse (skeletalised by now)
(15, 7, D:1)
  a +0 robe
(19, -4, D:1)
  a +0 leather armour
(21, 11, D:1)
  a jackal skeleton
(23, -39, D:1)
  a giant cockroach corpse
(23, -24, D:1)
  a +0 club
(24, -20, D:1)
  a ball python corpse
(27, -30, D:1)
  a +0 dagger
(33, -24, D:1)
  a hobgoblin corpse (skeletalised by now)
(42, -34, D:1)
  a stone
  a kobold corpse
(45, -15, D:1)
  3 poisoned darts
(46, -15, D:1)
  a ball python skeleton
(57, -12, D:1)
  a ball python corpse (skeletalised by now)
(58, -1, D:1)
  a bat corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a hobgoblin corpse
(1, -1, D:2)
  10 gold pieces
  a +0 halberd
  a gnoll corpse
(2, -2, D:2)
  a +0 flail
  a gnoll corpse
(3, -2, D:2)
  a +0 whip
  a gnoll corpse