IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a frilled lizard corpse (skeletalised by now)
(12, -27, D:1)
  a ball python corpse (skeletalised by now)
(14, -4, D:1)
  a +0 ring mail
(17, 0, D:1)
  a ball python corpse (skeletalised by now)
(22, -2, D:1)
  a frilled lizard corpse (skeletalised by now)
(22, 6, D:1)
  a ball python skeleton
(24, 12, D:1)
  a +0 club
(31, -18, D:1)
  a +0 short sword
(32, -22, D:1)
  a hobgoblin skeleton
(34, 1, D:1)
  3 stones
(36, -19, D:1)
  a +0 ring mail
(37, -29, D:1)
  a +0 sling
(40, 18, D:1)
  5 stones
  a +0 short sword
(43, -33, D:1)
  a rat skeleton
(43, 18, D:1)
  a +0 short sword
  a kobold skeleton
(46, -28, D:1)
  a +0 dagger
  a goblin skeleton
(47, 12, D:1)
  a hobgoblin skeleton
(48, 10, D:1)
  a goblin skeleton
(58, -15, D:1)
  a +0 plate armour
(59, -17, D:1)
  a +0 short sword
(63, 4, D:1)
  a +0 club
  a +0 dagger

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger
  a goblin corpse
(5, 0, D:2)
  a +0 trident
  a +0 animal skin
  a +0 helmet
  a +0 club
  a +0 sling
  a goblin corpse
(5, 1, D:2)
  a +0 club
  a +0 dagger
(5, 2, D:2)
  a +0 dagger
  a goblin corpse
(11, 9, D:2)
  a +0 club
(14, 15, D:2)
  an adder corpse
(16, 11, D:2)
  an adder corpse
(17, 8, D:2)
  5 stones
(17, 10, D:2)
  a quokka corpse
(22, 12, D:2)
  7 stones
(29, -3, D:2)
  a flux talisman
(36, 7, D:2)
  a frilled lizard corpse (skeletalised by now)
(46, 7, D:2)
  a quokka corpse (skeletalised by now)