IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a ball python corpse
(1, 3, D:1)
  a +0 scale mail
(1, 13, D:1)
  a rat corpse
(3, -11, D:1)
  a +0 club
(10, 12, D:1)
  a +0 dagger
(14, 23, D:1)
  a +0 whip
  2 stones
(20, 17, D:1)
  a hobgoblin corpse
(29, 16, D:1)
  a rat corpse
(34, 3, D:1)
  a +0 leather armour