IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 buckler
(10, -13, D:1)
  a +0 scale mail
  3 stones
(19, 4, D:1)
  a stone
(22, 25, D:1)
  3 poisoned darts
(23, 24, D:1)
  a +0 ring mail
(36, -4, D:1)
  a +0 dagger
(36, -2, D:1)
  2 stones
(38, -3, D:1)
  a +0 club
(41, -3, D:1)
  a +0 robe
(42, 0, D:1)
  a +0 dagger
(53, -7, D:1)
  7 stones
(54, -3, D:1)
  5 stones
  a +0 dagger

Level 2 of the Dungeon
(4, 2, D:2)
  a +0 ring mail
(12, 13, D:2)
  a +0 club
(13, -2, D:2)
  a +0 leather armour
(13, 13, D:2)
  a +0 robe
(17, -2, D:2)
  6 stones
(29, 2, D:2)
  a +0 war axe
(33, 27, D:2)
  an adder corpse
(36, -6, D:2)
  a +0 mace
(37, 2, D:2)
  a +0 dagger
  4 stones
(39, -18, D:2)
  a +0 long sword
(41, 20, D:2)
  a +0 long sword
(47, -18, D:2)
  a +0 long sword
(47, -15, D:2)
  a +0 dagger
(48, 18, D:2)
  a ball python skeleton
(59, -9, D:2)
  a +0 hand axe
(64, 6, D:2)
  a +0 club
  5 stones