IndexError

Level 1 of the Dungeon
(6, -13, D:1)
  a +0 ring mail
(6, 18, D:1)
  a +0 short sword
  3 stones
(7, -2, D:1)
  a quokka skeleton
(9, 19, D:1)
  a +0 ring mail
(10, -24, D:1)
  a +0 club
(11, -26, D:1)
  a ball python skeleton
(13, 2, D:1)
  a rat skeleton
(15, -27, D:1)
  a +0 scale mail
(27, -34, D:1)
  a jackal corpse (skeletalised by now)
(27, -21, D:1)
  a hobgoblin skeleton
(27, -10, D:1)
  a +0 sling
(29, -21, D:1)
  a +0 dagger
  4 stones
  a kobold skeleton
(30, 19, D:1)
  a jackal corpse (skeletalised by now)
(31, -35, D:1)
  a rat corpse (skeletalised by now)
(31, 19, D:1)
  a jackal corpse (skeletalised by now)
(32, -32, D:1)
  a ball python skeleton
(32, -7, D:1)
  a bat skeleton
(34, 1, D:1)
  3 stones
  a kobold corpse (skeletalised by now)
(38, -17, D:1)
  a +0 dagger
  a goblin skeleton
(40, 22, D:1)
  a hobgoblin corpse (skeletalised by now)
(41, 1, D:1)
  a +0 club
  a kobold skeleton
(50, -26, D:1)
  a +0 dagger

Level 2 of the Dungeon
(0, 0, D:2)
  6 stones
(2, -2, D:2)
  a bat skeleton
(6, -6, D:2)
  a ball python corpse (skeletalised by now)
(7, 15, D:2)
  a +0 hammer
(9, 0, D:2)
  a +0 dagger
  a goblin skeleton
(19, -4, D:2)
  a +0 mace
(19, 38, D:2)
  a +0 robe
(21, 19, D:2)
  an adder skeleton
(22, 18, D:2)
  6 poisoned darts
(33, 15, D:2)
  a flux talisman
(37, 3, D:2)
  a +0 dagger
(39, -12, D:2)
  a +0 dagger
  a kobold skeleton
(46, -3, D:2)
  a +0 club
(47, 2, D:2)
  a +0 robe
  a +0 dagger
(54, -3, D:2)
  a +0 dagger
  an adder skeleton
  a goblin skeleton
(55, -3, D:2)
  a +0 scythe
  a +0 robe
  the human skeleton of Sigmund
(56, -3, D:2)
  a jackal skeleton