ImError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 ring mail
(18, -10, D:1)
  9 poisoned needles
(18, 13, D:1)
  19 sling bullets
(24, 22, D:1)
  a +0 scale mail
(32, -5, D:1)
  a +0 hand axe of flaming
(33, 2, D:1)
  a +0 dagger
(46, -15, D:1)
  a +0 dagger
(50, 3, D:1)
  21 bolts

Level 2 of the Dungeon
(0, 0, D:2)
  2 large rocks
(1, -2, D:2)
  a +1 vampiric falchion
(9, 12, D:2)
  a +2 dagger of venom
(17, -8, D:2)
  a +0 morningstar
(22, 29, D:2)
  a +0 trident
(25, 34, D:2)
  a +0 long sword
(25, 45, D:2)
  a +0 dagger
(29, 28, D:2)
  15 poisoned needles
(30, 29, D:2)
  8 poisoned needles
(36, 8, D:2)
  a +0 hand axe
(54, -8, D:2)
  23 bolts

Level 3 of the Dungeon
(6, 29, D:3)
  a +0 leather armour
(12, 20, D:3)
  a +0 war axe
  a +0 flail
  a +0 hand axe
  a +0 scale mail
  an orc corpse (skeletalised by now)
(12, 21, D:3)
  a +0 ring mail
  a +0 club
(13, 20, D:3)
  a +0 robe
  a +0 dagger
  an orc corpse (skeletalised by now)
  a jackal corpse (skeletalised by now)
(13, 21, D:3)
  a cursed +0 ring mail
(20, -2, D:3)
  a book of Minor Magic
(20, -1, D:3)
  26 bolts
(20, 0, D:3)
  a +0 mace
(21, -2, D:3)
  a +2 leather armour of cold resistance
(21, -1, D:3)
  a potion of lignification
(21, 0, D:3)
  8 gold pieces
(22, -2, D:3)
  a +0 quarterstaff
(22, -1, D:3)
  a +1 hand axe of freezing
(22, 0, D:3)
  a +0 spear
(22, 24, D:3)
  a +0 leather armour
  a +0 dagger
  a cursed +0 robe
  a +0 flail

Level 4 of the Dungeon
(0, 0, D:4)
  4 gold pieces
(8, 21, D:4)
  a scroll of enchant armour
(9, 15, D:4)
  a +0 mace
(18, 17, D:4)
  a scroll of teleportation