IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  5 stones
  a +0 club
(0, 1, D:1)
  a +0 dagger
(6, -19, D:1)
  a bat corpse (skeletalised by now)
(7, -19, D:1)
  a jackal corpse (skeletalised by now)
  a jackal corpse (skeletalised by now)
(12, 2, D:1)
  6 gold pieces
(12, 17, D:1)
  a +0 dagger
(22, -19, D:1)
  a bat corpse (skeletalised by now)
(34, 5, D:1)
  4 stones
(35, -13, D:1)
  a quokka corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger
(4, -23, D:2)
  a +0 club
  a +0 sling
  a +0 dagger
  a goblin corpse
(5, -23, D:2)
  a +0 club
  a scroll of magic mapping
  a goblin corpse
(7, -23, D:2)
  a +0 club
(7, -19, D:2)
  the +0 helmet of the Sailor {Fly}
    Fly:       It grants you flight.
  (unseen)
(10, -14, D:2)
  a +0 ring mail
(14, -20, D:2)
  a quokka corpse
  a quokka corpse