IndexError

Level 1 of the Dungeon
(2, -7, D:1)
  a +0 whip
(23, -20, D:1)
  a +0 club
(30, 7, D:1)
  a +0 dagger
(34, 8, D:1)
  a rat corpse (skeletalised by now)
(35, -7, D:1)
  4 stones
  a +0 short sword
  a +0 club

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 club
(1, 5, D:2)
  a +0 hand axe
(7, 27, D:2)
  a frilled lizard corpse
(7, 35, D:2)
  a frilled lizard corpse
(11, 27, D:2)
  a bat corpse
(14, 42, D:2)
  6 stones
(15, 19, D:2)
  a bat corpse (skeletalised by now)