IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 sling
(4, -4, D:1)
  a +0 club
(16, 5, D:1)
  2 stones
(18, 1, D:1)
  7 stones
(18, 4, D:1)
  a +0 sling
(25, 24, D:1)
  a +0 short sword
(36, 0, D:1)
  a +0 club
(39, -5, D:1)
  a +0 sling
(40, 13, D:1)
  4 poisoned darts

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger
(9, 7, D:2)
  a +0 hand axe
(16, 18, D:2)
  a +0 buckler
(20, 4, D:2)
  6 poisoned darts
(27, -1, D:2)
  a +0 club
(47, 7, D:2)
  a +0 dagger
(48, 10, D:2)
  a +0 whip

Level 3 of the Dungeon
(5, 2, D:3)
  a +0 whip
  a +0 hand axe
(5, 4, D:3)
  a +0 falchion
(23, -10, D:3)
  a +0 whip
  a +0 club
(23, 15, D:3)
  a +0 sling
  a +0 dagger
  a +0 dagger
(24, -1, D:3)
  a +0 vampiric whip {!w}
(25, -2, D:3)
  a +0 mace
(29, 3, D:3)
  a +0 dagger
(32, -7, D:3)
  a +0 short sword
(33, -21, D:3)
  a +0 dagger

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 rapier
(13, -19, D:4)
  a hobgoblin corpse
(15, -17, D:4)
  a +0 flail
  an orc corpse
(23, -21, D:4)
  a +0 dagger
(25, -21, D:4)
  a stone
  a +0 short sword
  a kobold corpse (skeletalised by now)
(26, -23, D:4)
  a ball python corpse (skeletalised by now)
(29, -13, D:4)
  a +0 dagger
  5 stones
(31, -27, D:4)
  a +0 dagger
  an orc corpse (skeletalised by now)
(36, -26, D:4)
  5 large rocks