IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 scale mail
(3, -9, D:1)
  a gold piece
(5, 1, D:1)
  a +0 dagger
  3 stones
  a kobold corpse
(6, -3, D:1)
  a ring of flight
(6, 4, D:1)
  2 poisoned darts
(7, -5, D:1)
  a potion of curing
(8, -2, D:1)
  a jackal corpse
(11, 4, D:1)
  a +0 dagger
(15, 8, D:1)
  a +0 leather armour
(16, 2, D:1)
  a +0 ring mail
(19, -5, D:1)
  a frilled lizard corpse