IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  18 sling bullets
(13, -24, D:1)
  a +0 leather armour
(15, 18, D:1)
  a +0 short sword
(18, 11, D:1)
  a +0 rapier
(24, 15, D:1)
  a +0 whip
  4 stones
(25, -16, D:1)
  a +0 robe
(27, -12, D:1)
  a +0 short sword
(31, -2, D:1)
  a +0 dagger
(35, 9, D:1)
  a frilled lizard corpse
(41, 10, D:1)
  a +0 robe
(41, 13, D:1)
  a +0 dagger
(43, 7, D:1)
  a frilled lizard corpse

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 leather armour
(28, 36, D:2)
  a potion of mutation
(29, 33, D:2)
  6 gold pieces