IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  7 stones
  a bat corpse (skeletalised by now)
(4, 29, D:1)
  a +0 leather armour
(11, 49, D:1)
  a rat corpse (skeletalised by now)
(14, 1, D:1)
  5 javelins
(17, 38, D:1)
  9 stones
(20, 8, D:1)
  a +0 whip
(20, 42, D:1)
  a +0 dagger
(24, 2, D:1)
  a +0 club
(24, 48, D:1)
  a hobgoblin corpse (skeletalised by now)
(27, 3, D:1)
  a bat skeleton
(34, 28, D:1)
  a +0 short sword
  a stone
(35, 30, D:1)
  a quokka skeleton
(36, -9, D:1)
  a +0 ring mail
(36, 38, D:1)
  a hobgoblin corpse (skeletalised by now)
(46, -4, D:1)
  a +0 dagger
  a goblin skeleton
(47, 34, D:1)
  a jackal skeleton
(53, 45, D:1)
  a +0 spear

Level 2 of the Dungeon
(0, 0, D:2)
  a hobgoblin skeleton
(3, -2, D:2)
  an amulet of guardian spirit
(6, -13, D:2)
  5 stones
(12, 2, D:2)
  a ball python skeleton
(22, -6, D:2)
  4 stones
(23, -11, D:2)
  a ball python skeleton
(23, -8, D:2)
  a ball python skeleton
(24, -10, D:2)
  a goblin skeleton
(28, 12, D:2)
  a frilled lizard skeleton
(31, 4, D:2)
  a +0 scale mail
(37, -6, D:2)
  a ball python skeleton
(40, -10, D:2)
  a +0 ring mail
(44, 28, D:2)
  a bat skeleton
(46, 1, D:2)
  a rat skeleton
(53, 8, D:2)
  a +0 dagger
  a +0 dagger
  a goblin corpse (skeletalised by now)
  a kobold corpse (skeletalised by now)
(54, 8, D:2)
  a bat corpse (skeletalised by now)
(56, 22, D:2)
  a +0 mace
(60, 11, D:2)
  a human skeleton
(61, 7, D:2)
  a minotaur skeleton
(64, -2, D:2)
  3 stones

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 club
(13, 6, D:3)
  a +0 club
(26, -2, D:3)
  a +0 dagger
  a +0 robe
(28, 0, D:3)
  a +0 hand axe
  a +0 hand axe
  a +0 hand axe
  an orc corpse