IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a book of Weapons
(2, 10, D:1)
  a +0 tower shield
(9, -5, D:1)
  a +0 quarterstaff
(23, 3, D:1)
  a bat corpse
(24, -1, D:1)
  a +0 club
(25, 26, D:1)
  a +0 dagger
(28, -12, D:1)
  a +0 club
  5 stones
(28, -7, D:1)
  a stone
(31, 23, D:1)
  a +0 short sword
(41, 3, D:1)
  a +0 dagger