IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 leather armour
(11, 12, D:1)
  a jackal corpse
(11, 13, D:1)
  a +0 dagger
  a goblin corpse
(16, 4, D:1)
  a rat corpse
(21, -2, D:1)
  6 stones