IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  4 stones
(1, -1, D:1)
  a ring of willpower
(9, 0, D:1)
  a +0 dagger
  a goblin corpse
  a bat corpse
(14, 32, D:1)
  4 boomerangs
(17, 3, D:1)
  a bat corpse
(21, -2, D:1)
  a +0 ring mail
(22, 34, D:1)
  a +0 whip
(26, -2, D:1)
  a +0 chain mail
(30, 0, D:1)
  a +0 club
(32, 32, D:1)
  a +0 dagger
(34, -1, D:1)
  5 stones