IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a ball python corpse
(0, 11, D:1)
  a stone
(10, 6, D:1)
  a +0 dagger
(10, 39, D:1)
  a +0 dagger
(13, 37, D:1)
  a +0 dagger
  a kobold corpse (skeletalised by now)
(18, 51, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)
(20, 23, D:1)
  a +0 dagger
  a +0 short sword
  5 stones
  a kobold corpse (skeletalised by now)
(20, 37, D:1)
  a ball python corpse (skeletalised by now)
(21, 15, D:1)
  a +0 chain mail
(21, 29, D:1)
  a +0 dagger
  5 stones
(24, 47, D:1)
  a +0 club
  a goblin corpse (skeletalised by now)
(30, 4, D:1)
  a +0 club
(45, 2, D:1)
  a +0 spear
  a kobold corpse (skeletalised by now)
(45, 10, D:1)
  a frilled lizard corpse (skeletalised by now)
(52, 8, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)