IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  5 stones
(7, -22, D:1)
  a jackal corpse
  a jackal corpse
  a jackal corpse
(8, -22, D:1)
  a jackal corpse
  a jackal corpse
  a ball python corpse
(9, -22, D:1)
  a +0 club
(12, -19, D:1)
  2 potions of mutation
(12, -17, D:1)
  3 gold pieces
(13, -20, D:1)
  a rat corpse
(14, -16, D:1)
  4 stones