IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 short sword
  2 stones
(4, 3, D:1)
  3 stones
(11, 14, D:1)
  a +0 dagger
(15, 24, D:1)
  2 stones
(18, -8, D:1)
  4 stones
  a +0 short sword
(20, -5, D:1)
  a +0 short sword
(21, 28, D:1)
  a +0 ring mail
(32, 21, D:1)
  6 stones
(35, 11, D:1)
  a +0 club
(37, 21, D:1)
  a +0 club
(44, 12, D:1)
  a +0 hand axe
(49, -6, D:1)
  4 poisoned darts
(51, -7, D:1)
  2 stones
  a +0 club
(52, -1, D:1)
  3 boomerangs

Level 2 of the Dungeon
(0, 0, D:2)
  2 poisoned darts
(1, 2, D:2)
  3 stones
(3, -12, D:2)
  2 stones
(11, -20, D:2)
  7 stones
(20, -10, D:2)
  a +0 pair of gloves
  a +0 pair of gloves
(26, -12, D:2)
  a +0 whip
(28, -32, D:2)
  a +0 robe
(31, -25, D:2)
  6 stones
(43, -17, D:2)
  4 stones
(48, -13, D:2)
  a +1 pair of boots

Level 3 of the Dungeon
(0, 0, D:3)
  6 stones