IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  5 stones
(0, 11, D:1)
  a hobgoblin skeleton
(1, -10, D:1)
  a +0 whip
  a kobold skeleton
(2, -10, D:1)
  a +0 dagger
(8, 30, D:1)
  a ball python corpse (skeletalised by now)
(9, 18, D:1)
  a +0 short sword
  a kobold skeleton
(15, 20, D:1)
  a rat skeleton
(17, -5, D:1)
  3 stones
  a +0 club
(18, -5, D:1)
  a quokka skeleton
(20, 24, D:1)
  a blade talisman
(21, -5, D:1)
  a bat skeleton
(32, -3, D:1)
  a hobgoblin skeleton
(35, -3, D:1)
  a +0 robe

Level 2 of the Dungeon
(0, 0, D:2)
  5 stones
(0, 14, D:2)
  a ball python corpse (skeletalised by now)
(8, 5, D:2)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(16, 17, D:2)
  an adder skeleton
(17, -2, D:2)
  a +0 mace
(23, -11, D:2)
  a ball python skeleton
(23, -6, D:2)
  a rat skeleton
(24, -20, D:2)
  a stone
  a +0 short sword
  a kobold skeleton
(24, -7, D:2)
  a +0 dagger
(37, -11, D:2)
  a +0 club
  a goblin skeleton
(38, -6, D:2)
  a +0 dagger
  2 stones
  a kobold skeleton
(42, 2, D:2)
  a stone
  a +0 dagger
  a kobold skeleton
(48, -9, D:2)
  a +0 dagger
  a goblin skeleton
(51, -24, D:2)
  a jackal corpse (skeletalised by now)
  a jackal corpse (skeletalised by now)

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 leather armour
(24, 33, D:3)
  a +0 rapier
(25, 17, D:3)
  a +0 flail
(27, 9, D:3)
  a +0 ring mail
(27, 14, D:3)
  19 gold pieces
(30, 12, D:3)
  a rat skeleton
(30, 16, D:3)
  a frilled lizard skeleton