IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  an amulet of regeneration
(4, 22, D:1)
  a ring of protection from fire {rF+, !d}
(9, -4, D:1)
  a +0 club
  a goblin skeleton
(12, 5, D:1)
  a +0 hand axe
(13, 1, D:1)
  an amulet of the acrobat
(14, 28, D:1)
  a +0 club
(20, -20, D:1)
  a +0 dagger
(20, -19, D:1)
  a bat skeleton
(22, 23, D:1)
  a +0 robe
(25, -7, D:1)
  a +0 hand axe
(29, -17, D:1)
  8 stones
(31, -18, D:1)
  4 stones
(31, -12, D:1)
  a +0 club
(34, 21, D:1)
  a +0 club
(41, 8, D:1)
  a +0 leather armour
(46, 16, D:1)
  5 stones
  a +0 short sword
  a kobold skeleton
(48, 3, D:1)
  a rat skeleton

Level 2 of the Dungeon
(0, 0, D:2)
  a frilled lizard corpse (skeletalised by now)
(2, 12, D:2)
  a +0 robe
(5, -2, D:2)
  a +0 robe
(16, -19, D:2)
  a +0 spear
(16, -5, D:2)
  5 stones
(16, 8, D:2)
  a +0 robe
  a +0 whip
  4 stones
(17, 0, D:2)
  a +0 leather armour
(39, -19, D:2)
  a -2 sling {Esteban}
(46, -22, D:2)
  5 poisoned darts
(57, -11, D:2)
  a +0 leather armour
(57, 4, D:2)
  an adder corpse (skeletalised by now)
(58, 2, D:2)
  a +0 club
  3 stones
  a kobold corpse (skeletalised by now)

Level 3 of the Dungeon
(0, 0, D:3)
  2 atropa-tipped darts
(1, 6, D:3)
  a ball python corpse (skeletalised by now)
(1, 8, D:3)
  a +0 club
  a +0 ring mail
  an orc corpse (skeletalised by now)
(2, 9, D:3)
  a +0 mace
(3, 10, D:3)
  a +0 flail
  a +0 leather armour
  an orc corpse (skeletalised by now)
(6, 8, D:3)
  a frilled lizard corpse (skeletalised by now)
(6, 10, D:3)
  a +0 hand axe
  a +0 ring mail
(15, -7, D:3)
  a +0 whip
(20, 3, D:3)
  a rat corpse (skeletalised by now)
(20, 4, D:3)
  a hobgoblin corpse (skeletalised by now)
(26, 24, D:3)
  a +0 short sword
  a kobold corpse (skeletalised by now)
(30, 24, D:3)
  a bat corpse (skeletalised by now)
(43, -13, D:3)
  3 boomerangs