IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a rat corpse
(2, 0, D:1)
  a hobgoblin corpse
(13, 16, D:1)
  a +0 mace
(14, -2, D:1)
  a jackal corpse
(15, -3, D:1)
  a dart slug corpse
(16, 1, D:1)
  a stone
(22, 32, D:1)
  a +0 robe
(28, 26, D:1)
  a frilled lizard corpse
(29, 33, D:1)
  a +0 short sword
  a kobold corpse