IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a rat skeleton
(1, -5, D:1)
  a bat skeleton
(6, 2, D:1)
  a quokka skeleton
(10, -12, D:1)
  a ball python corpse (skeletalised by now)
(14, 13, D:1)
  a quokka skeleton
(15, 12, D:1)
  3 stones
(16, 12, D:1)
  a +0 short sword
  a kobold skeleton
(17, -12, D:1)
  2 stones
(19, 17, D:1)
  a +0 dagger
  a goblin skeleton
(25, -4, D:1)
  a +0 leather armour
(27, 26, D:1)
  a stone
  a +0 short sword
  a kobold skeleton
(29, 23, D:1)
  6 poisoned darts
(30, 17, D:1)
  a ball python skeleton
(36, 5, D:1)
  a +0 dagger
(37, 12, D:1)
  a +0 club
(37, 23, D:1)
  a maw talisman
(38, -14, D:1)
  a +0 short sword
  4 stones
(43, 31, D:1)
  3 stones
(49, 9, D:1)
  a +0 robe

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger
(8, -27, D:2)
  3 stones
(17, -17, D:2)
  a bat corpse
(17, -7, D:2)
  an adder corpse