IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 ring mail
(15, 6, D:1)
  a +0 ring mail
(21, 14, D:1)
  a +0 robe
(28, -16, D:1)
  a +0 ring mail
(38, 6, D:1)
  7 stones

Level 2 of the Dungeon
(0, 0, D:2)
  5 stones
(2, -8, D:2)
  a giant cockroach corpse
(26, 1, D:2)
  4 stones
(29, 1, D:2)
  5 stones
(30, -27, D:2)
  a potion of cancellation
(30, -17, D:2)
  a ball python corpse
(35, -25, D:2)
  a dart slug corpse
(35, 4, D:2)
  a +0 plate armour