IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 dagger
  5 stones
(4, -2, D:1)
  a rat corpse
(7, 10, D:1)
  7 stones
(13, 8, D:1)
  4 boomerangs
(15, 8, D:1)
  a +0 spear
(16, -4, D:1)
  a stone
(24, -9, D:1)
  a +0 ring mail
(27, 2, D:1)
  a +0 trident