IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 dagger
  5 stones
(3, -1, D:1)
  a rat corpse
(6, 9, D:1)
  7 stones
(12, 7, D:1)
  4 boomerangs
(14, 7, D:1)
  a +0 spear
(15, -5, D:1)
  a stone
(23, -10, D:1)
  a +0 ring mail
(26, 1, D:1)
  a +0 trident