IndexError

Level 1 of the Dungeon
(1, -18, D:1)
  a +0 short sword
(3, 15, D:1)
  a frilled lizard skeleton
(7, -22, D:1)
  4 stones
  a +0 dagger
  a kobold corpse (skeletalised by now)
(8, 15, D:1)
  a hobgoblin skeleton
(10, 33, D:1)
  a ball python corpse (skeletalised by now)
(14, 14, D:1)
  a jackal skeleton
(18, 34, D:1)
  a +0 club
  a goblin corpse (skeletalised by now)
(19, -2, D:1)
  a +0 leather armour
(32, -20, D:1)
  a +0 scale mail
(34, -16, D:1)
  a +0 short sword
  a kobold skeleton
(35, -17, D:1)
  a rat skeleton
(39, 33, D:1)
  a quokka corpse (skeletalised by now)
(47, 26, D:1)
  a +0 dagger
  2 stones
(48, 1, D:1)
  a hobgoblin corpse (skeletalised by now)
(48, 3, D:1)
  a frilled lizard corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a medusa talisman
(1, 8, D:2)
  a +0 dagger
(11, 16, D:2)
  a +0 ring mail
(24, 5, D:2)
  a +0 club
  a goblin skeleton
(25, 13, D:2)
  a +0 spear
(27, 6, D:2)
  a quokka skeleton
(27, 11, D:2)
  a +0 club
  a goblin skeleton
(31, 6, D:2)
  a +0 dagger
  a kobold skeleton
(36, 20, D:2)
  an adder corpse (skeletalised by now)
(38, 14, D:2)
  a +0 dagger
(42, 14, D:2)
  a +0 robe
(45, 9, D:2)
  a +0 dagger
(52, 2, D:2)
  a +0 short sword
  3 stones
  a kobold corpse (skeletalised by now)
(54, 10, D:2)
  a +0 spear

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 short sword
(0, 3, D:3)
  a +0 falchion
(0, 4, D:3)
  a +0 flail
  a +3 short sword
(13, 25, D:3)
  a human skeleton
(13, 29, D:3)
  a human skeleton
(14, 26, D:3)
  a human skeleton
(14, 29, D:3)
  a minotaur skeleton
(16, 27, D:3)
  a human skeleton
(17, 18, D:3)
  a +0 club
  a goblin skeleton
(18, 25, D:3)
  a human skeleton
(19, 26, D:3)
  a human skeleton
(22, 37, D:3)
  a +0 dagger
(24, 33, D:3)
  a +0 short sword
(25, 33, D:3)
  a +0 club
(27, 32, D:3)
  a +0 dagger
  a kobold corpse (skeletalised by now)
(27, 34, D:3)
  a +0 short sword
(28, 33, D:3)
  a +0 dagger
  a +0 short sword
  a kobold corpse (skeletalised by now)
  a kobold corpse (skeletalised by now)
(33, 26, D:3)
  a ball python skeleton
(47, 12, D:3)
  a +0 short sword
  8 poisoned darts
  a kobold corpse (skeletalised by now)

Level 4 of the Dungeon
(45, 11, D:4)
  a +0 club