IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  4 stones
(16, -6, D:1)
  a jackal corpse
(16, -5, D:1)
  a jackal corpse
(16, -4, D:1)
  a +0 dagger
(17, -9, D:1)
  a rat corpse
(17, -3, D:1)
  a quokka corpse
(18, -3, D:1)
  a jackal corpse
(25, -8, D:1)
  a scroll of blinking
  a jackal corpse
(27, -6, D:1)
  a +0 ring mail
(28, -4, D:1)
  a ball python corpse