IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 whip
(7, 0, D:1)
  a +0 ring mail
(8, -22, D:1)
  a +0 robe
(13, -13, D:1)
  a giant cockroach corpse
(18, -21, D:1)
  a hobgoblin corpse
(20, 4, D:1)
  a +0 leather armour
(21, -3, D:1)
  a +0 ring mail
(23, 6, D:1)
  a ball python corpse
(23, 12, D:1)
  a scroll of immolation
(24, -6, D:1)
  a +0 leather armour
(24, 12, D:1)
  2 potions of enlightenment
(25, -17, D:1)
  a +0 ring mail
(26, -15, D:1)
  a hobgoblin corpse
(26, -14, D:1)
  a +0 dagger
  a kobold corpse
(26, 5, D:1)
  a dart slug corpse
(26, 9, D:1)
  a +0 club
(27, 8, D:1)
  a +0 robe
(27, 10, D:1)
  a jackal corpse
(27, 15, D:1)
  a potion of brilliance
(28, -14, D:1)
  a +0 club
  a goblin corpse
(29, -13, D:1)
  a +0 leather armour
(31, -9, D:1)
  a +0 chain mail
(32, -19, D:1)
  an amulet of the acrobat