IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 dagger
(1, -4, D:1)
  a quokka corpse (skeletalised by now)
(1, 40, D:1)
  a +0 dagger
  4 stones
  a kobold skeleton
(3, 24, D:1)
  a +0 scale mail
(5, 42, D:1)
  a bat corpse (skeletalised by now)
(16, 2, D:1)
  a +0 plate armour
(18, 19, D:1)
  a +0 club
(19, 20, D:1)
  a quokka corpse (skeletalised by now)
(24, -5, D:1)
  a +0 club
(25, -17, D:1)
  a ball python skeleton
(37, 43, D:1)
  a hobgoblin corpse (skeletalised by now)
(49, -19, D:1)
  a +0 club
  a goblin corpse (skeletalised by now)
(58, -15, D:1)
  8 stones
(58, 26, D:1)
  a hobgoblin corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a hobgoblin skeleton
(0, 7, D:2)
  a +0 dagger
(6, -18, D:2)
  a +0 battleaxe
(7, -9, D:2)
  a ball python skeleton
(10, -13, D:2)
  a hobgoblin skeleton
(12, 13, D:2)
  5 stones
(13, -6, D:2)
  a +0 club
  a goblin skeleton
(17, 1, D:2)
  a +0 whip of venom
  a gnoll corpse
(20, -10, D:2)
  a bat skeleton
(21, -10, D:2)
  a +0 dagger
(22, -10, D:2)
  a +0 dagger
(40, 17, D:2)
  an orb of mayhem
(45, 17, D:2)
  a stone
(46, -6, D:2)
  a +0 spear

Level 3 of the Dungeon
(17, -2, D:3)
  a rat corpse
(18, -3, D:3)
  a +0 short sword
  2 stones
  a kobold skeleton
(18, -2, D:3)
  a +2 mace of protection
  (unseen)
(23, 10, D:3)
  a frilled lizard skeleton
(24, 10, D:3)
  a hobgoblin skeleton
(26, 18, D:3)
  7 stones
(37, -4, D:3)
  a quokka corpse (skeletalised by now)