IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 dagger
(1, 2, D:1)
  a bat corpse (skeletalised by now)
(4, 40, D:1)
  a +0 club
(5, 5, D:1)
  a +0 dagger
(7, 25, D:1)
  a +0 club
(9, 1, D:1)
  a frilled lizard corpse (skeletalised by now)
(10, 42, D:1)
  a rat corpse
(17, 3, D:1)
  5 stones
(19, 35, D:1)
  a +0 club
(20, 17, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(21, 17, D:1)
  a ball python corpse (skeletalised by now)
(30, 35, D:1)
  a +0 ring mail
(34, 39, D:1)
  a potion of might
(34, 46, D:1)
  14 gold pieces
(35, 39, D:1)
  8 gold pieces
(36, 49, D:1)
  a hobgoblin corpse