IndexError

Level 1 of the Dungeon
(11, 27, D:1)
  5 stones
(12, 20, D:1)
  a +0 sling
(14, -11, D:1)
  a +0 dagger
  a goblin skeleton
(16, -14, D:1)
  a +0 club
(16, 21, D:1)
  a +0 ring mail
(23, 19, D:1)
  a rat corpse (skeletalised by now)
(29, -4, D:1)
  a +0 dagger
(29, -1, D:1)
  a +0 robe
(42, 30, D:1)
  a frilled lizard skeleton
(47, -9, D:1)
  a +0 club
  a goblin skeleton
(47, 7, D:1)
  a +0 short sword
  a kobold corpse (skeletalised by now)
(58, -14, D:1)
  a +0 dagger
  3 stones
  a kobold corpse (skeletalised by now)
(62, -22, D:1)
  a +0 sling
(62, -7, D:1)
  a ball python corpse (skeletalised by now)
(64, 27, D:1)
  a rat corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 short sword
(7, -9, D:2)
  4 stones
(30, 20, D:2)
  a ball python corpse (skeletalised by now)
(31, 16, D:2)
  an adder corpse (skeletalised by now)
(36, -8, D:2)
  a +0 hammer
(36, 2, D:2)
  the felid skeleton of Natasha
(36, 14, D:2)
  a +0 club
  a goblin corpse (skeletalised by now)
(36, 25, D:2)
  4 stones
(38, 36, D:2)
  a +0 hand axe
(44, -10, D:2)
  a +0 mace
(47, 35, D:2)
  a bat corpse (skeletalised by now)
(48, 33, D:2)
  a +0 robe
(49, -5, D:2)
  a +0 robe
(51, 7, D:2)
  2 stones
(54, 1, D:2)
  a +0 spear