IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 leather armour
(1, 12, D:1)
  a +0 ring mail
(4, 1, D:1)
  a ball python skeleton
(7, 7, D:1)
  a bat skeleton
(9, 3, D:1)
  a bat skeleton
(9, 20, D:1)
  a stone
  a +1 dagger of venom
  a kobold skeleton
  a jackal skeleton
  a jackal skeleton
(10, 19, D:1)
  a ring of poison resistance {rPois, !d}
(10, 22, D:1)
  a rat skeleton
(24, 9, D:1)
  a ball python corpse (skeletalised by now)
(31, 9, D:1)
  a +0 dagger
  a +0 club
  a hobgoblin corpse (skeletalised by now)
  a goblin corpse (skeletalised by now)
(38, 51, D:1)
  a +0 spear
(39, 21, D:1)
  an orb of light
(47, 21, D:1)
  a +0 dagger
(47, 22, D:1)
  a ball python corpse