IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 dagger
(3, 0, D:1)
  a +0 club
(10, -7, D:1)
  a +0 dagger
(12, 15, D:1)
  a +0 club
(13, -5, D:1)
  a +0 flail
(17, 15, D:1)
  a +0 dagger
(19, 9, D:1)
  6 stones
(26, 31, D:1)
  4 stones
(34, 8, D:1)
  a +0 dagger
(36, 6, D:1)
  a +0 club
(36, 26, D:1)
  7 stones
(45, 28, D:1)
  a +0 ring mail

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 ring mail
(1, -20, D:2)
  9 stones
(8, -11, D:2)
  a frilled lizard corpse (skeletalised by now)
(12, -22, D:2)
  a frilled lizard corpse
(13, -7, D:2)
  3 boomerangs
(17, -7, D:2)
  a +0 whip