IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a bat skeleton
(8, -13, D:1)
  a +0 whip
(9, -1, D:1)
  2 stones
  a +0 dagger
(9, 0, D:1)
  a rat skeleton
(11, 1, D:1)
  5 stones
  a +0 club
(23, 8, D:1)
  a +0 leather armour
(31, -6, D:1)
  a +0 club
  a kobold skeleton
(34, -20, D:1)
  a +0 dagger
(41, 11, D:1)
  8 stones
(42, -5, D:1)
  a rat skeleton
(42, 25, D:1)
  a +0 club
(53, 1, D:1)
  a hobgoblin skeleton
(54, 1, D:1)
  a +0 club

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 club
  a +0 sling
  a goblin corpse
(1, 37, D:2)
  11 gold pieces
(5, 16, D:2)
  a giant cockroach corpse
  a dart slug corpse
(6, 28, D:2)
  2 stones
(8, 35, D:2)
  a +0 dagger
(11, 29, D:2)
  2 potions of moonshine
(13, 31, D:2)
  a +0 short sword
(19, 33, D:2)
  a +0 dagger
(20, 33, D:2)
  a +0 dagger
  a +0 club
  a +0 dagger
  a goblin corpse
  a goblin corpse
(25, 23, D:2)
  2 stones
(26, 23, D:2)
  4 stones