IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a bat corpse (skeletalised by now)
(2, -23, D:1)
  a +0 mace
(4, -3, D:1)
  a +0 robe
(6, -19, D:1)
  a rat skeleton
(8, -30, D:1)
  2 stones
(9, -19, D:1)
  a +0 dagger
  a goblin skeleton
(11, -18, D:1)
  a +0 dagger
  a goblin skeleton
(11, -3, D:1)
  a +0 dagger
  a goblin skeleton
(13, -17, D:1)
  a +0 short sword
  5 stones
(20, -27, D:1)
  a +0 club
(22, -19, D:1)
  a rat skeleton
(26, -5, D:1)
  a rat skeleton
(28, -11, D:1)
  a +0 sling {Balvinder}
(32, -13, D:1)
  a +0 dagger
  5 stones
  a kobold skeleton
(33, -13, D:1)
  a rat skeleton
(35, 1, D:1)
  7 stones
(41, -1, D:1)
  4 boomerangs
(43, -1, D:1)
  a +0 spear
(44, -13, D:1)
  a stone
(52, -18, D:1)
  a +0 ring mail
(55, -7, D:1)
  a +0 trident