IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a ball python corpse (skeletalised by now)
(1, 14, D:1)
  a +0 leather armour
(7, -14, D:1)
  a +0 sling
(7, -11, D:1)
  a hobgoblin skeleton
(15, -17, D:1)
  a ball python skeleton
(17, 11, D:1)
  a +0 rapier
(18, 24, D:1)
  a +0 dagger
  a kobold corpse (skeletalised by now)
  a rat corpse (skeletalised by now)
(19, 23, D:1)
  a +0 club
  a kobold corpse (skeletalised by now)
  a rat corpse (skeletalised by now)
(20, -11, D:1)
  a jackal skeleton
(25, 29, D:1)
  a bat corpse (skeletalised by now)
(26, 14, D:1)
  a frilled lizard skeleton
(28, -18, D:1)
  a jackal corpse (skeletalised by now)
  a jackal corpse (skeletalised by now)
  a jackal corpse (skeletalised by now)
(28, 31, D:1)
  a +0 club
(29, 15, D:1)
  a +0 club
(31, 21, D:1)
  an adder corpse

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 short sword
  11 stones
  a +0 leather armour
  a kobold corpse
(9, 21, D:2)
  a bat corpse
  an adder corpse
(10, 14, D:2)
  a +0 plate armour
(32, 19, D:2)
  a +0 whip
  a kobold corpse
(33, 19, D:2)
  a +0 dagger
  4 stones
  a +0 leather armour
  a kobold corpse