IndexError

Level 1 of the Dungeon
(6, -25, D:1)
  a +0 mace
(17, -15, D:1)
  5 poisoned darts
(18, -23, D:1)
  a +0 robe
(18, 13, D:1)
  a +0 dagger
(20, -17, D:1)
  a +0 club
(21, 18, D:1)
  a +0 dagger
(31, 16, D:1)
  a +0 helmet
(33, 10, D:1)
  a +0 dagger
(40, 24, D:1)
  a +0 robe
(46, 2, D:1)
  a stone
  a +0 dagger
(51, -16, D:1)
  a +0 scale mail
(55, -27, D:1)
  a +0 plate armour
(58, -21, D:1)
  a +0 dagger
(62, -6, D:1)
  a +0 dagger

Level 2 of the Dungeon
(0, 0, D:2)
  a hobgoblin corpse (skeletalised by now)
(4, 2, D:2)
  a rat corpse (skeletalised by now)
(5, 2, D:2)
  an adder corpse (skeletalised by now)
(10, 5, D:2)
  a +0 rapier
(24, 2, D:2)
  a +0 whip
(28, 24, D:2)
  a +0 dagger
(30, -7, D:2)
  a +0 leather armour
(31, -7, D:2)
  a +0 club
(31, 0, D:2)
  a frilled lizard skeleton
(31, 3, D:2)
  a +2 dagger of flaming
(40, -8, D:2)
  6 stones
(42, -9, D:2)
  a +0 leather armour
(42, 9, D:2)
  a +1 war axe of freezing
(43, 25, D:2)
  a +0 scale mail
(45, 20, D:2)
  a +0 broad axe
(47, -3, D:2)
  a +0 club
  a goblin corpse

Level 3 of the Dungeon
(0, 0, D:3)
  a potion of might
(4, -13, D:3)
  a +0 club
(7, -12, D:3)
  a +0 ring mail