IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 cloak
(1, -3, D:1)
  a +0 dagger
  a goblin skeleton
(3, 2, D:1)
  a +0 dagger
  a goblin skeleton
(3, 4, D:1)
  4 stones
(4, 17, D:1)
  a +0 short sword
  3 stones
  a kobold skeleton
(5, 12, D:1)
  a +0 club
(6, 25, D:1)
  a +0 short sword
(12, -2, D:1)
  a +0 dagger
  a goblin skeleton
(12, 18, D:1)
  a +0 leather armour
(15, 18, D:1)
  a +0 dagger
  a kobold skeleton
(17, -8, D:1)
  a ball python skeleton
(19, 1, D:1)
  a frilled lizard corpse (skeletalised by now)
(26, 21, D:1)
  a +0 great sword
(32, 8, D:1)
  a ball python corpse (skeletalised by now)
(41, 4, D:1)
  a rimehorn talisman
(41, 25, D:1)
  a stone
  a +0 short sword
(41, 26, D:1)
  a hobgoblin skeleton
(47, 6, D:1)
  a +0 ring mail
(50, 8, D:1)
  a bat skeleton
(50, 34, D:1)
  a +0 mace
(53, 3, D:1)
  a +0 whip
  a kobold skeleton
(54, 31, D:1)
  a +0 dagger
(55, 32, D:1)
  a ball python corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger
  a kobold skeleton
(5, 18, D:2)
  a +0 ring mail
(7, 14, D:2)
  2 stones
(8, 14, D:2)
  a +0 whip
  4 stones
(8, 19, D:2)
  a ball python skeleton
(10, -6, D:2)
  a +0 whip
(16, -10, D:2)
  5 poisoned darts
(16, 3, D:2)
  a +0 robe
(26, 40, D:2)
  a +0 dagger
  a +0 club
  a goblin corpse (skeletalised by now)
(30, 7, D:2)
  a bat corpse (skeletalised by now)
(36, 22, D:2)
  a +0 pair of boots
(51, 7, D:2)
  a +0 short sword
(51, 25, D:2)
  a +0 pair of gloves
(52, -17, D:2)
  a rat corpse (skeletalised by now)
(55, -8, D:2)
  a +0 dagger
  a +0 sling
  a goblin skeleton
(59, 28, D:2)
  a +0 dagger
  a +0 dagger
(61, -12, D:2)
  a +0 short sword