IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 club
(17, 13, D:1)
  a +0 robe
(28, 2, D:1)
  a +0 leather armour
(32, -22, D:1)
  a +0 short sword
(52, -7, D:1)
  a +0 dagger

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 leather armour
(1, 9, D:2)
  a +0 scythe
  a +0 robe
(7, 1, D:2)
  a +0 club
(10, 24, D:2)
  a +0 club
(14, 23, D:2)
  a wand of flame (7)
(16, -3, D:2)
  a +0 whip
(16, -1, D:2)
  a +4 quarterstaff of chaos
(17, -13, D:2)
  a scroll of noise
(29, 1, D:2)
  6 poisoned darts
(37, 16, D:2)
  a +0 short sword
(51, -6, D:2)
  a +0 short sword
(52, 12, D:2)
  a +0 leather armour

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 dagger
(11, 3, D:3)
  a +0 short sword
(12, -12, D:3)
  a +0 whip
(13, -12, D:3)
  a +0 flail
  a +0 whip
(14, 12, D:3)
  a +0 short sword of protection
(16, 15, D:3)
  a +0 club
(19, -5, D:3)
  a +0 whip
(27, 14, D:3)
  a +0 whip
(28, 1, D:3)
  a +0 club
(30, 18, D:3)
  a +0 club
(38, 4, D:3)
  a +0 chain mail
(38, 18, D:3)
  a +0 club
  a +0 leather armour

Level 4 of the Dungeon
(0, 0, D:4)
  a +0 ring mail
(5, 3, D:4)
  a ball python corpse
(8, 16, D:4)
  a +0 club
(9, -2, D:4)
  a maw talisman
(16, 13, D:4)
  10 gold pieces
(21, -9, D:4)
  a +0 club
(21, 18, D:4)
  2 potions of heal wounds
(24, -17, D:4)
  a +0 short sword
  a +0 ring mail
(36, -17, D:4)
  a +0 club
  a goblin corpse
(39, -19, D:4)
  a ball python corpse