IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a rat corpse
(0, 4, D:1)
  a +0 dagger
  5 stones
  a kobold corpse
(1, 4, D:1)
  a rat corpse
(4, 2, D:1)
  a rat corpse
(7, 12, D:1)
  7 stones
(13, 10, D:1)
  4 boomerangs
(15, 10, D:1)
  a +0 spear
(16, -2, D:1)
  a stone
(24, -7, D:1)
  a +0 ring mail
(27, 4, D:1)
  a +0 trident