IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a dart slug corpse
(5, 8, D:1)
  a +0 club
(8, 7, D:1)
  a ball python corpse
(11, 4, D:1)
  3 stones
(11, 23, D:1)
  a quokka corpse
(16, 26, D:1)
  a +0 war axe
(17, 27, D:1)
  a +0 dagger
(20, 43, D:1)
  7 stones
(21, 41, D:1)
  a hobgoblin corpse (skeletalised by now)
(23, 28, D:1)
  a +0 spear
(23, 35, D:1)
  a +0 whip
  5 stones
(33, 5, D:1)
  a +0 whip
  2 stones
(37, 16, D:1)
  a +0 mace