IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a quokka corpse (skeletalised by now)
(0, 5, D:1)
  a rat corpse (skeletalised by now)
(1, 11, D:1)
  a +0 robe
(3, -20, D:1)
  a +0 dagger
(3, -9, D:1)
  a +0 club
  a goblin corpse (skeletalised by now)
(4, -21, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(4, 3, D:1)
  a +0 dagger
  a kobold corpse (skeletalised by now)
(5, 14, D:1)
  5 stones
(12, -14, D:1)
  a rat corpse (skeletalised by now)
(14, -17, D:1)
  a +0 ring mail
(16, -12, D:1)
  a +0 war axe
(17, 11, D:1)
  a +0 club
  a goblin corpse (skeletalised by now)
(25, 10, D:1)
  a +0 dagger
(27, -17, D:1)
  a frilled lizard corpse (skeletalised by now)
(35, -28, D:1)
  a quokka corpse (skeletalised by now)
(43, -20, D:1)
  a ball python corpse (skeletalised by now)
(47, 1, D:1)
  a +0 whip
(50, -14, D:1)
  a +0 short sword
(51, -13, D:1)
  3 stones
(51, 3, D:1)
  a +0 leather armour
(57, -18, D:1)
  a ball python corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 sling
(3, -11, D:2)
  an adder corpse