IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a gold piece
(2, -1, D:1)
  a gold piece
(5, -9, D:1)
  a +0 scale mail
(10, -30, D:1)
  a +0 sling
(15, -10, D:1)
  a +0 dagger