IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a jackal skeleton
(1, 3, D:1)
  a bat skeleton
(3, -30, D:1)
  5 stones
(7, -14, D:1)
  a ball python skeleton
(8, -29, D:1)
  a +0 spear
(8, -2, D:1)
  a stone
  a +0 whip
  a kobold skeleton
(8, -1, D:1)
  a jackal skeleton
(11, -19, D:1)
  5 stones
(21, 8, D:1)
  a deep dwarf skeleton
(21, 13, D:1)
  a deep dwarf skeleton
(22, -25, D:1)
  a +0 spear
(23, 6, D:1)
  a deep dwarf skeleton
(24, -13, D:1)
  a hobgoblin skeleton
(26, 3, D:1)
  a deep dwarf skeleton
(28, -28, D:1)
  a jackal skeleton
  a jackal skeleton
(30, -29, D:1)
  a jackal skeleton
(32, -23, D:1)
  a +0 robe
(32, -2, D:1)
  a +0 ring mail
(40, -29, D:1)
  a +0 club
(41, 10, D:1)
  a rat skeleton
(42, 10, D:1)
  a rat skeleton
(43, 17, D:1)
  a +0 war axe
(46, -15, D:1)
  a +0 club
(59, 6, D:1)
  a +0 whip
  2 stones
(59, 9, D:1)
  a rat corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger
  a +0 robe
(20, 1, D:2)
  11 gold pieces
(24, 1, D:2)
  a rat corpse
(25, 2, D:2)
  a +0 club
  a goblin corpse
(27, -3, D:2)
  a book of Ice
(27, 5, D:2)
  a +0 club
  5 stones
(28, -4, D:2)
  a bat corpse
(35, -16, D:2)
  a jackal corpse
(35, -15, D:2)
  a frilled lizard corpse
(36, -17, D:2)
  a jackal corpse
(40, -25, D:2)
  a +0 chain mail
(41, -25, D:2)
  a giant cockroach corpse
(41, -24, D:2)
  an adder corpse