IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 dagger
(14, -39, D:1)
  a +0 barding
(16, -32, D:1)
  5 stones
(16, -13, D:1)
  8 stones
(17, -43, D:1)
  a +0 club
  3 stones
  a +0 club
(20, -45, D:1)
  a +0 club
(26, -11, D:1)
  a +0 dagger
(27, -4, D:1)
  a +0 dagger
(39, -17, D:1)
  a +0 ring mail
(44, -45, D:1)
  5 stones
(51, -35, D:1)
  a +0 club

Level 2 of the Dungeon
(0, 0, D:2)
  6 stones
(6, 32, D:2)
  a +0 spear
(9, 11, D:2)
  a +0 club
(11, 33, D:2)
  6 boomerangs
(17, 3, D:2)
  a +0 leather armour
(40, 51, D:2)
  a +0 leather armour
(42, 19, D:2)
  a +0 club
(62, 55, D:2)
  8 stones

Level 3 of the Dungeon
(9, 23, D:3)
  a +0 short sword
(10, 24, D:3)
  a +0 dagger
  a +0 ring mail
(10, 25, D:3)
  a +0 spear
  a +0 leather armour
(27, -14, D:3)
  a +0 dagger
(29, 36, D:3)
  a +0 leather armour
(31, 14, D:3)
  5 stones
(37, 1, D:3)
  2 stones
(46, -25, D:3)
  a +0 leather armour
(53, 10, D:3)
  7 stones
(54, -9, D:3)
  a +0 flail
  a +0 chain mail
(57, 24, D:3)
  a +0 club
(58, 19, D:3)
  a +0 robe
(59, -16, D:3)
  a +0 long sword
(62, -20, D:3)
  6 stones

Level 4 of the Dungeon
[Shop] Yloaply's Armour Shoppe
  a +0 scale mail (56 gold)
  a +0 helmet (63 gold)
  a +0 cloak (63 gold)
  a +0 leather armour (28 gold)
  a +0 pair of gloves (63 gold)
  a +0 helmet (63 gold)
  a +0 chain mail (63 gold)
  a +0 pair of boots of rampaging (161 gold)
(0, 0, D:4)
  a +0 dagger
  a +0 robe
  the elf corpse of Dowan
(17, 4, D:4)
  an adder corpse (skeletalised by now)
(17, 5, D:4)
  an iguana corpse (skeletalised by now)
(21, 7, D:4)
  a stone
(27, 7, D:4)
  a +0 short sword
(45, 2, D:4)
  a +0 whip