IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 scale mail
(1, 0, D:1)
  a +0 club
  4 stones
(4, 11, D:1)
  a rat skeleton
(7, -8, D:1)
  a rat skeleton
(7, 13, D:1)
  8 stones
(8, -6, D:1)
  a +0 short sword
  a kobold skeleton
(10, -2, D:1)
  a +0 club
(11, -10, D:1)
  a +0 ring mail
  a +0 dagger
(12, -29, D:1)
  a +0 ring mail
(13, 20, D:1)
  a bat skeleton
(17, -12, D:1)
  a +0 club
  a goblin skeleton
(18, 15, D:1)
  a +0 dagger
(18, 21, D:1)
  a ball python skeleton
(19, 21, D:1)
  a +0 dagger
  a goblin skeleton
(20, 25, D:1)
  3 stones
(22, 25, D:1)
  a +0 short sword
(32, -21, D:1)
  2 stones
  a +0 dagger
  a kobold skeleton
(33, -24, D:1)
  a +0 club
  a goblin skeleton
(34, -16, D:1)
  a +0 sling
(40, 16, D:1)
  a frilled lizard corpse (skeletalised by now)
(41, 4, D:1)
  a +0 barding

Level 2 of the Dungeon
(0, 0, D:2)
  8 stones
(2, -26, D:2)
  a +0 hand axe
(3, -28, D:2)
  a quokka corpse (skeletalised by now)
(9, 8, D:2)
  a +0 leather armour
(17, 23, D:2)
  5 stones
(18, 21, D:2)
  a +0 robe
(19, -11, D:2)
  a rat skeleton
(22, 3, D:2)
  a +0 club
(25, 33, D:2)
  a hobgoblin corpse (skeletalised by now)
(25, 35, D:2)
  a +0 leather armour
(35, 35, D:2)
  a +0 ring mail
(41, -12, D:2)
  a +0 robe
(49, -27, D:2)
  2 stones
(53, -11, D:2)
  4 stones
(57, 32, D:2)
  a ball python corpse (skeletalised by now)

Level 3 of the Dungeon
(0, 4, D:3)
  a +0 club
(7, -38, D:3)
  5 stones
(9, -22, D:3)
  a +0 dagger
  a +0 short sword
(10, -16, D:3)
  a +0 dagger
(11, -22, D:3)
  a +0 hand axe
  a +0 leather armour
  a +0 whip
  a +0 dagger
  2 boomerangs
  a +0 scale mail
  a +0 mace
  a +0 chain mail
  an orc corpse (skeletalised by now)
(12, -7, D:3)
  a +0 falchion
(17, 3, D:3)
  5 stones
(17, 7, D:3)
  a +0 dagger
(21, -1, D:3)
  a +0 dagger
(24, -7, D:3)
  a +0 robe
(24, 5, D:3)
  a +0 flail
  a +0 ring mail
  a +0 dagger
  a +0 leather armour
  an orc skeleton
(24, 6, D:3)
  a ball python skeleton
(27, 1, D:3)
  a +0 falchion
  a +0 ring mail
  an orc skeleton
(28, -39, D:3)
  a +0 spear
(30, -18, D:3)
  a +0 club
(31, 6, D:3)
  5 stones
(33, -14, D:3)
  4 stones

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 dagger
(6, -8, D:4)
  a scroll of revelation
(6, -3, D:4)
  6 gold pieces
(27, 12, D:4)
  a serpent talisman
(47, 16, D:4)
  6 gold pieces