IndexError

Level 1 of the Dungeon
(2, 19, D:1)
  6 stones
(2, 51, D:1)
  a goblin corpse (skeletalised by now)
(5, -1, D:1)
  2 stones
(5, 21, D:1)
  a hobgoblin skeleton
(10, 49, D:1)
  a rat corpse (skeletalised by now)
(24, 5, D:1)
  a +0 club
  a goblin skeleton
(31, 21, D:1)
  a +0 pair of boots
(37, -1, D:1)
  a +0 dagger
(41, 2, D:1)
  a +0 short sword
  a kobold skeleton
(42, -1, D:1)
  4 large rocks
(43, 11, D:1)
  a quokka skeleton
(46, 7, D:1)
  a +0 club
  a goblin skeleton
(54, 35, D:1)
  a frilled lizard skeleton
(57, 44, D:1)
  a +0 dagger
  3 stones
  a kobold corpse (skeletalised by now)
(59, 52, D:1)
  4 stones
(61, 30, D:1)
  a bat corpse (skeletalised by now)

Level 2 of the Dungeon
(5, 10, D:2)
  a quokka skeleton
(6, 18, D:2)
  7 stones
(7, 9, D:2)
  a +0 dagger
  a +0 robe
(8, 12, D:2)
  a +0 club
(9, 12, D:2)
  a bat skeleton
(12, 14, D:2)
  a +0 whip
(23, 0, D:2)
  a +0 club
(25, 5, D:2)
  a +0 flail
(37, 14, D:2)
  a +0 ring mail
(45, 18, D:2)
  a +0 leather armour
(46, 20, D:2)
  a +0 dagger
(48, 13, D:2)
  a +0 dagger
  a +0 robe
(51, 38, D:2)
  a +0 club
  a kobold corpse (skeletalised by now)
(52, 33, D:2)
  a +0 ring mail
(55, -5, D:2)
  a +0 pair of boots
(55, 0, D:2)
  8 stones
(55, 41, D:2)
  a ball python corpse (skeletalised by now)
(64, -1, D:2)
  a +0 helmet

Level 3 of the Dungeon
(0, 0, D:3)
  a quokka corpse (skeletalised by now)
(0, 1, D:3)
  a ball python corpse (skeletalised by now)
(3, -13, D:3)
  2 stones
  a +0 dagger
  a kobold skeleton
(7, 9, D:3)
  a bat skeleton
(9, -10, D:3)
  a bat corpse (skeletalised by now)
(11, 3, D:3)
  an adder skeleton
(13, 10, D:3)
  a +0 ring mail
(14, -4, D:3)
  a +0 halberd
(15, -4, D:3)
  a +0 spear
  a +0 spear
(16, -4, D:3)
  a +0 whip
  a gnoll skeleton
(18, -2, D:3)
  a +0 short sword
(18, 11, D:3)
  a +0 hand axe
(19, 3, D:3)
  a +0 club
(24, 19, D:3)
  a hobgoblin skeleton
(28, 29, D:3)
  a +0 club
  a +0 sling
  a goblin corpse (skeletalised by now)
(30, 16, D:3)
  a +0 flail
  a +0 ring mail
(32, 16, D:3)
  a +0 hand axe
  an orc corpse (skeletalised by now)
(34, 26, D:3)
  5 stones
(36, 25, D:3)
  a hobgoblin skeleton
(41, -3, D:3)
  a bat skeleton
(42, 0, D:3)
  a +0 club
  an orc skeleton
(43, 0, D:3)
  8 stones
  a +0 short sword
  an orc skeleton
(44, 1, D:3)
  a +0 club
  an orc skeleton
(45, 7, D:3)
  a +0 dagger
  a +0 robe
  a +0 leather armour
  a +0 short sword
  an orc skeleton
(46, 8, D:3)
  a +0 club
  5 stones
  a kobold corpse (skeletalised by now)
(46, 9, D:3)
  a +0 falchion
  3 boomerangs
  an orc skeleton
(46, 10, D:3)
  a +1 dagger of holy wrath
  a +0 scale mail
  a +0 hand axe
  a +0 leather armour
  a +0 club
  a +0 scale mail
  an orc corpse (skeletalised by now)
(46, 12, D:3)
  a +0 mace
  a +0 robe
  an orc corpse (skeletalised by now)
(50, 23, D:3)
  a rat corpse (skeletalised by now)
(54, 28, D:3)
  a +0 short sword
  4 stones
  a kobold corpse (skeletalised by now)
(56, 6, D:3)
  a +0 club
  a goblin corpse (skeletalised by now)

Level 4 of the Dungeon
(11, 39, D:4)
  a +0 sling
(18, 31, D:4)
  a +0 leather armour
(20, 31, D:4)
  a giant cockroach corpse
(25, 32, D:4)
  a +0 short sword
(28, 14, D:4)
  a +0 ring mail
(39, 15, D:4)
  a +0 ring mail