IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 whip
(0, 23, D:1)
  a +0 dagger
(5, 3, D:1)
  a +0 leather armour
(6, 3, D:1)
  a +0 ring mail
(11, -25, D:1)
  a +0 leather armour
(12, 1, D:1)
  3 stones
(12, 3, D:1)
  a +0 leather armour
(13, 20, D:1)
  7 stones
(16, 9, D:1)
  a +0 club
(17, -27, D:1)
  8 stones
(33, 7, D:1)
  5 poisoned darts
(37, 0, D:1)
  a +0 pair of boots
(40, -23, D:1)
  a +0 club
(40, 0, D:1)
  a +0 club
(46, -19, D:1)
  4 stones
  a +0 club
(49, 0, D:1)
  7 stones
(49, 1, D:1)
  a beast talisman

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 sling
(1, -3, D:2)
  a +0 buckler
(2, -11, D:2)
  a +0 dagger
(4, 17, D:2)
  a +0 dagger
(5, 3, D:2)
  a book of Winter
(10, 11, D:2)
  a +0 ring mail
(12, -5, D:2)
  a +0 club
(18, 20, D:2)
  a +0 short sword
(23, -14, D:2)
  a ring of flight {+Fly, !d}
(24, 17, D:2)
  a +0 scale mail
(26, -13, D:2)
  a +0 robe

Level 3 of the Dungeon
(0, 0, D:3)
  a +2 chain mail of cold resistance
(7, 28, D:3)
  4 stones
(15, 9, D:3)
  a +0 club
(18, 8, D:3)
  a +0 dagger
(18, 11, D:3)
  a +0 flail
  a +0 dagger
  a +0 club
(19, 12, D:3)
  a +0 whip
  a +0 flail
(24, 11, D:3)
  2 stones
(38, 26, D:3)
  a +0 dagger
(46, -1, D:3)
  a +0 dagger
  a +0 sling

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 mace
(11, 18, D:4)
  a +0 spear
(15, -19, D:4)
  a +0 dagger
(20, 6, D:4)
  a stone
(22, -29, D:4)
  6 stones
(22, 10, D:4)
  an iguana corpse
(23, -25, D:4)
  a +0 mace
(23, 11, D:4)
  a +0 flail
(24, -15, D:4)
  a +0 giant club
(31, -22, D:4)
  a book of Scorching
(33, -26, D:4)
  a +0 robe
  a +0 dagger
(33, -24, D:4)
  a +0 short sword
(34, -25, D:4)
  a +0 chain mail
  a +0 dagger
(36, -8, D:4)
  a book of the Hunter
(49, -15, D:4)
  the +9 dagger of the Vestibule of Hell {flame, rElec rN+ Int+3 SInv}
    Int+3:      It affects your intelligence (+3).
    rElec:      It insulates you from electricity.
    rN+:        It protects you from negative energy.
    SInv:       It lets you see invisible.
(52, -13, D:4)
  a +0 pair of boots

Level 5 of the Dungeon
(0, 0, D:5)
  a +0 dagger (still there?)
  a +1 war axe of freezing (still there?)
  a +0 leather armour (still there?)
  an orc corpse (still there?)
(0, 1, D:5)
  a +0 dagger
  a +0 robe
(1, 1, D:5)
  a +0 short sword
  an orc corpse