IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a frilled lizard corpse (skeletalised by now)
(3, -10, D:1)
  3 stones
  a kobold skeleton
(11, -17, D:1)
  a +0 ring mail
(16, -9, D:1)
  a +0 dagger
(18, -11, D:1)
  a quokka skeleton
(18, -2, D:1)
  a +0 club
(25, 4, D:1)
  a bat corpse (skeletalised by now)
(26, -10, D:1)
  4 stones
(26, 3, D:1)
  a ball python corpse (skeletalised by now)
(27, 1, D:1)
  a ball python corpse (skeletalised by now)
(30, -21, D:1)
  a +0 scale mail
(31, 6, D:1)
  a +0 hand axe
(37, -22, D:1)
  a +0 whip
  4 stones
(38, 17, D:1)
  a +0 hand axe
(40, -31, D:1)
  a rat corpse (skeletalised by now)
(40, -25, D:1)
  a quokka corpse (skeletalised by now)
(42, 1, D:1)
  a quokka corpse (skeletalised by now)
(42, 2, D:1)
  a +0 dagger
  a kobold skeleton
(47, -8, D:1)
  a hobgoblin corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 club
(7, -7, D:2)
  an adder skeleton
(7, -3, D:2)
  5 stones
(8, -13, D:2)
  a ball python skeleton
(14, 0, D:2)
  8 stones
(15, -14, D:2)
  4 stones
(23, -4, D:2)
  a +0 club
(24, -7, D:2)
  a jackal skeleton
(27, -10, D:2)
  a jackal corpse (skeletalised by now)
(27, 10, D:2)
  an adder corpse (skeletalised by now)
(29, -5, D:2)
  a +0 leather armour
(29, 13, D:2)
  a stone
(66, -10, D:2)
  a rat corpse (skeletalised by now)
(66, -8, D:2)
  a +0 short sword

Level 3 of the Dungeon
(0, 0, D:3)
  8 poisoned darts
  a +1 short sword of speed
  a kobold skeleton
(1, 8, D:3)
  a +0 plate armour
(4, 9, D:3)
  a bat corpse (skeletalised by now)
(14, 2, D:3)
  a +0 club
  a goblin skeleton
(17, -7, D:3)
  a +0 scale mail
(17, 17, D:3)
  a bat skeleton
(24, -4, D:3)
  a +0 short sword
(28, 7, D:3)
  a bat corpse (skeletalised by now)
(40, -1, D:3)
  a +0 dagger
  4 stones
  a kobold corpse (skeletalised by now)
(40, 7, D:3)
  a +0 short sword
  a +0 robe
  the human corpse of Jessica (skeletalised by now)
(40, 13, D:3)
  a +0 dagger
(43, 1, D:3)
  3 stones
(56, -15, D:3)
  a bat corpse (skeletalised by now)
(58, -5, D:3)
  a +0 leather armour

Level 4 of the Dungeon
(0, 0, D:4)
  3 stones
(1, -15, D:4)
  a +0 dagger
(10, -13, D:4)
  a +0 ring mail
(11, -29, D:4)
  a +2 dagger of venom (still there?)
  a +0 whip (still there?)
(13, -29, D:4)
  a +0 club
  a +0 robe
  a gnoll corpse
(17, -42, D:4)
  4 stones
(22, -26, D:4)
  a +0 halberd
(25, -32, D:4)
  a bombardier beetle corpse
(25, -31, D:4)
  a +0 short sword
(27, -8, D:4)
  a +0 dagger
  a +0 spear
  a +2 animal skin
  a goblin corpse (skeletalised by now)
  a hobgoblin corpse (skeletalised by now)
  the hobgoblin corpse of Robin (skeletalised by now)
(30, -8, D:4)
  a +0 club
  a +0 club
  a goblin corpse (skeletalised by now)
  a goblin corpse (skeletalised by now)
(31, -8, D:4)
  a +0 club
(32, -8, D:4)
  a +0 dagger