IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 scale mail
(26, -8, D:1)
  4 stones
(29, 34, D:1)
  a +0 club
(37, 31, D:1)
  2 large rocks
(39, -11, D:1)
  a +0 scale mail
(43, 17, D:1)
  a hobgoblin corpse
(46, 14, D:1)
  5 stones

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 pair of boots
(2, -2, D:2)
  a +0 ring mail
(5, 7, D:2)
  a +0 club
  4 stones
(6, -4, D:2)
  a stone
(6, 10, D:2)
  a +0 sling
(11, -8, D:2)
  a hobgoblin skeleton
(19, -11, D:2)
  a hobgoblin corpse
(25, -10, D:2)
  a +0 short sword
  a stone
  a +0 whip
  a kobold corpse
(26, -10, D:2)
  a +0 spear