IndexError

Level 1 of the Dungeon
(2, -7, D:1)
  a +0 club
(6, -28, D:1)
  6 stones
(7, -6, D:1)
  a +0 robe
(11, -37, D:1)
  7 stones
(15, -33, D:1)
  a +0 short sword
(15, -7, D:1)
  a +0 club
(22, -44, D:1)
  a +0 dagger
(22, -3, D:1)
  5 stones
(23, -27, D:1)
  a +0 dagger
  a +0 whip
(43, -28, D:1)
  a +0 dagger
(43, -9, D:1)
  2 stones
  a +0 dagger
(46, -43, D:1)
  a +0 club
(48, -41, D:1)
  a +0 short sword
(54, 10, D:1)
  9 stones
(55, -24, D:1)
  a maw talisman

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 dagger
(37, -24, D:2)
  3 stones
(40, -17, D:2)
  a +0 club
(41, -17, D:2)
  a +0 whip
(61, 0, D:2)
  a +0 spear
(62, -10, D:2)
  a +0 leather armour
(63, 0, D:2)
  4 stones
  a +0 dagger
(63, 3, D:2)
  a +0 club
(63, 4, D:2)
  a +0 spear

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 leather armour
(7, 2, D:3)
  a +0 club
(10, 31, D:3)
  3 stones
(16, 43, D:3)
  an orb of guile
  a +0 flail
(23, -5, D:3)
  a +0 hand axe
(25, 3, D:3)
  a +0 club
(33, 26, D:3)
  a +0 club

Level 4 of the Dungeon
(0, 0, D:4)
  5 stones
(24, 3, D:4)
  a hobgoblin corpse (skeletalised by now)
(30, -39, D:4)
  a scorpion corpse
(30, -22, D:4)
  4 poisoned darts
(34, -35, D:4)
  a +0 chain mail of willpower
(34, -21, D:4)
  a dart slug corpse
(36, -39, D:4)
  a +0 short sword
(38, -15, D:4)
  a +0 scale mail
(40, -8, D:4)
  a +0 dagger
(43, -8, D:4)
  a hobgoblin corpse
(44, -2, D:4)
  a +0 ring mail
(45, -18, D:4)
  a +0 club
  a goblin corpse

Level 6 of the Dungeon
(0, 0, D:6)
  a potion of berserk rage
(3, -3, D:6)
  a +0 halberd
(4, -2, D:6)
  a +0 orcbow
  a centaur corpse
(5, -2, D:6)
  a water moccasin corpse
(5, 5, D:6)
  a +0 spear
  a gnoll corpse
(5, 6, D:6)
  a +0 whip
  a +0 whip
(6, 4, D:6)
  9 gold pieces
(8, -2, D:6)
  12 gold pieces
(9, 10, D:6)
  17 gold pieces