IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 short sword
(7, -8, D:1)
  a +0 robe
  a +0 robe
(13, -19, D:1)
  a +0 hand axe
(18, -30, D:1)
  a +0 whip
(23, -21, D:1)
  a +0 chain mail
(25, 0, D:1)
  a +0 dagger
(53, -10, D:1)
  4 stones
(55, 8, D:1)
  5 poisoned darts

Level 2 of the Dungeon
(6, 31, D:2)
  6 poisoned darts
(14, -10, D:2)
  a +0 club
(25, 2, D:2)
  a +0 hand axe
(32, -2, D:2)
  a +0 dagger
(37, 27, D:2)
  a +0 dagger
(39, 13, D:2)
  a +0 hand axe
(39, 23, D:2)
  a +0 hand axe
(40, 25, D:2)
  a +0 whip
  4 stones
(49, 23, D:2)
  a +0 club

Level 3 of the Dungeon
(0, 0, D:3)
  2 stones
(5, -15, D:3)
  a +0 robe
  a +0 leather armour
  a +0 ring mail
  a +0 leather armour
  a +0 scale mail
  a +0 leather armour
(16, 11, D:3)
  5 stones
(24, 5, D:3)
  12 gold pieces
(26, 1, D:3)
  a piece from Xom's chessboard (15/15)
(26, 16, D:3)
  a +0 hand axe
(31, 3, D:3)
  a +0 mace of holy wrath
  (unseen)
(32, 12, D:3)
  a +0 club
(36, -31, D:3)
  a +0 club

Level 4 of the Dungeon
(0, 0, D:4)
  a ball python corpse
(11, -4, D:4)
  a +0 falchion
(12, -4, D:4)
  a scroll of teleportation