IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(2, 3, D:1)
  a +0 whip
  5 stones
  a kobold corpse (skeletalised by now)
(10, -27, D:1)
  a +0 ring mail
(12, 8, D:1)
  4 stones
(13, -4, D:1)
  a +0 dagger
(20, -34, D:1)
  a ball python corpse (skeletalised by now)
(30, 3, D:1)
  a +0 short sword
(33, -17, D:1)
  a stone
(34, -26, D:1)
  a +0 leather armour
(36, -8, D:1)
  a +0 scale mail
(38, -23, D:1)
  a +0 club
  a gnoll skeleton
(47, -20, D:1)
  2 boomerangs

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 whip
(3, 34, D:2)
  a +0 plate armour
(4, 25, D:2)
  5 poisoned darts
(5, -5, D:2)
  a +0 long sword
(11, 16, D:2)
  9 stones
(20, 20, D:2)
  5 stones
  a +0 club
  a kobold skeleton
(21, 12, D:2)
  a ball python skeleton
(24, 21, D:2)
  a +0 dagger
  a goblin skeleton
(28, 19, D:2)
  a +0 ring mail
(31, 28, D:2)
  an adder corpse (skeletalised by now)
(40, 22, D:2)
  a +0 ring mail
(40, 25, D:2)
  a +0 whip
(41, -5, D:2)
  a rat skeleton

Level 3 of the Dungeon
(0, 0, D:3)
  10 gold pieces
(8, 4, D:3)
  6 gold pieces
(9, 13, D:3)
  a scroll of fear
(36, 5, D:3)
  8 stones
(53, -19, D:3)
  a +0 spear