IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 dagger
  a goblin corpse
(1, 1, D:1)
  a +0 dagger
(3, 1, D:1)
  a bat corpse
(8, -9, D:1)
  a +0 club
(10, -1, D:1)
  a rat corpse
(14, 13, D:1)
  a rat corpse
(15, -1, D:1)
  a quokka corpse
(17, 4, D:1)
  a +0 dagger
  5 stones
  a kobold corpse
(21, 5, D:1)
  a rat corpse
(23, 19, D:1)
  7 stones
(29, 17, D:1)
  4 boomerangs
(31, 17, D:1)
  a +0 spear
(32, 5, D:1)
  a stone
(40, 0, D:1)
  a +0 ring mail
(43, 11, D:1)
  a +0 trident