IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 hand axe
(4, -37, D:1)
  a +0 club
(5, -25, D:1)
  a +0 dagger
  a +0 club
(27, -5, D:1)
  a +0 rapier
(31, -23, D:1)
  a +0 club
(35, -38, D:1)
  a +0 club
(39, -36, D:1)
  a +0 whip
(40, -29, D:1)
  3 stones
(49, -47, D:1)
  a +0 club

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger
(6, -8, D:2)
  a +0 club
(8, -10, D:2)
  a +0 hand axe of venom
(8, -4, D:2)
  a +0 spear
(25, -3, D:2)
  a +0 dagger
  a +0 sling
(26, -6, D:2)
  a +0 long sword
(34, -3, D:2)
  2 stones
(35, 19, D:2)
  a +0 short sword
(36, -3, D:2)
  9 stones
(38, -7, D:2)
  a +0 club
(39, -8, D:2)
  a +0 club
(45, 2, D:2)
  a +0 short sword
(46, 5, D:2)
  7 stones
(47, -4, D:2)
  9 stones

Level 3 of the Dungeon
(0, 0, D:3)
  a worm corpse
(7, 23, D:3)
  a +0 short sword
(19, 29, D:3)
  a +0 dagger
  a kobold corpse
(37, 12, D:3)
  a +0 club (still there?)
  2 poisoned darts (still there?)