IndexError

Level 1 of the Dungeon
(0, 11, D:1)
  a +0 dagger
  a goblin skeleton
(8, 10, D:1)
  a hobgoblin skeleton
(9, 5, D:1)
  a frilled lizard skeleton
(11, 7, D:1)
  a +0 dagger
(12, 32, D:1)
  a +0 whip
(18, 33, D:1)
  a bat corpse (skeletalised by now)
(19, 10, D:1)
  5 stones
(20, 0, D:1)
  a rat corpse (skeletalised by now)
(28, 18, D:1)
  a bat skeleton
(31, 40, D:1)
  a bat skeleton
(38, 1, D:1)
  a +0 club
  a goblin skeleton
(41, 5, D:1)
  a +0 dagger
(42, 39, D:1)
  a ball python corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 sling
(5, -9, D:2)
  an inkwell talisman
(5, 20, D:2)
  a +0 leather armour
(11, 15, D:2)
  a ball python skeleton
(17, 11, D:2)
  a +0 robe
(18, 13, D:2)
  a hobgoblin skeleton
(19, 12, D:2)
  a hobgoblin skeleton
(20, 13, D:2)
  a +0 club
  a goblin skeleton
(23, -13, D:2)
  a +0 sling
(23, 13, D:2)
  a +0 whip
(25, -15, D:2)
  a ball python corpse (skeletalised by now)
(27, 10, D:2)
  a +0 ring mail
  a +0 whip
(35, 14, D:2)
  a hobgoblin skeleton
(36, 15, D:2)
  a +0 whip
(39, -3, D:2)
  a +0 club
(40, -5, D:2)
  a jackal skeleton
(41, -7, D:2)
  an adder skeleton
(41, -5, D:2)
  a ball python skeleton
(41, -4, D:2)
  a +0 dagger
(58, -13, D:2)
  2 flux baubles

Level 3 of the Dungeon
(1, 1, D:3)
  a +0 ring mail
(6, 6, D:3)
  a +0 leather armour
(6, 35, D:3)
  a +0 scale mail of poison resistance
  a +0 falchion
  the human corpse of Terence
(7, 20, D:3)
  a quokka skeleton
(15, 48, D:3)
  a scroll of vulnerability
(16, -2, D:3)
  a +0 dagger
(30, 40, D:3)
  a +0 robe
(33, -3, D:3)
  an adder corpse (skeletalised by now)
(42, -5, D:3)
  a +1 ring mail of positive energy
(45, 8, D:3)
  a +0 dagger
(45, 43, D:3)
  a +0 club
  an orc corpse (skeletalised by now)
(46, 0, D:3)
  a +0 dagger
  a +0 short sword
(48, 41, D:3)
  a +0 dagger
  a +0 ring mail
  an orc corpse (skeletalised by now)
(48, 42, D:3)
  a +0 short sword
  a +0 scale mail
(51, 31, D:3)
  a +0 robe
(52, -2, D:3)
  a +0 club
(55, 5, D:3)
  a +0 short sword
  a kobold corpse (skeletalised by now)

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 hand axe
(6, -8, D:4)
  a scroll of brand weapon
(7, -2, D:4)
  a +0 club
  a +0 leather armour
  a +0 mace
  an orc corpse
(12, 4, D:4)
  16 gold pieces