IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 mace
(2, 34, D:1)
  6 stones
(5, 39, D:1)
  2 stones
  a +0 dagger
(28, 12, D:1)
  a +0 mace
(34, -7, D:1)
  a +0 dagger
  3 stones
(38, 45, D:1)
  a +0 mace
(41, 2, D:1)
  a +0 dagger
(47, 32, D:1)
  a +0 short sword

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 club
(3, -3, D:2)
  a +0 club
  5 stones
(8, -23, D:2)
  2 stones
  a +0 short sword
(8, -22, D:2)
  a +0 club
(9, -24, D:2)
  a +0 short sword
(10, -32, D:2)
  a +0 dagger
  a +0 leather armour
  a +0 dagger
(10, -18, D:2)
  a +0 scythe
(11, -27, D:2)
  a +0 dagger
(14, -33, D:2)
  a +0 club
(14, -22, D:2)
  a +0 dagger
(15, -34, D:2)
  a +0 whip
(17, -6, D:2)
  4 stones
(19, -6, D:2)
  a +0 dagger
(24, -19, D:2)
  a +0 club
(24, -3, D:2)
  a +0 club
  a +0 sling
  a +0 club
  a +0 dagger
  a +0 dagger
  a +0 club
(33, -36, D:2)
  a +0 whip
(44, -21, D:2)
  a +0 club

Level 3 of the Dungeon
(0, 0, D:3)
  7 stones
(11, 16, D:3)
  a +0 trident
(11, 44, D:3)
  a +0 hand axe
(12, 8, D:3)
  a +0 club
(12, 20, D:3)
  a +0 club
(12, 43, D:3)
  a +0 spear of flaming
(15, 41, D:3)
  3 stones
  a +0 club
  a +0 flail
(25, -3, D:3)
  a +0 spear
(29, 34, D:3)
  4 poisoned darts
  a +0 spear
(38, -4, D:3)
  a +0 short sword
(50, 4, D:3)
  a +0 halberd of protection

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 pair of gloves
(2, 1, D:4)
  2 potions of ambrosia
(4, -2, D:4)
  18 gold pieces
(8, -11, D:4)
  a +0 scale mail
  9 gold pieces