IndexError

Level 1 of the Dungeon
(10, 29, D:1)
  4 stones
(11, 0, D:1)
  a +0 dagger
(13, -4, D:1)
  a potion of lignification
(16, -1, D:1)
  a +0 dagger
(22, 12, D:1)
  4 stones
(26, -4, D:1)
  a +0 dagger
(26, 37, D:1)
  a +0 scale mail
(31, 12, D:1)
  a +0 dagger
(36, 31, D:1)
  a +0 leather armour
(38, 28, D:1)
  a +0 mace
(46, 21, D:1)
  3 stones
  a +0 short sword
(48, 10, D:1)
  a +0 leather armour

Level 2 of the Dungeon
(17, 0, D:2)
  a +0 club
(38, -11, D:2)
  a +0 dagger
  4 stones
(41, 19, D:2)
  a +0 rapier
(46, 11, D:2)
  a +0 dagger
(46, 23, D:2)
  a +1 vampiric scythe {!w}
  a +0 robe
(47, 21, D:2)
  a +0 dagger

Level 3 of the Dungeon
(0, 0, D:3)
  a +0 dagger
  a +0 chain mail
(1, 0, D:3)
  a +0 short sword
  a +0 chain mail
  an orc corpse
(1, 2, D:3)
  a +0 robe
(17, -26, D:3)
  a +0 club
  a +0 halberd
  a +0 club
  a gnoll corpse
(20, 0, D:3)
  a +0 falchion
(21, 1, D:3)
  a +0 war axe
  a +0 short sword
  an orc corpse (skeletalised by now)
  an orc corpse (skeletalised by now)
(25, 6, D:3)
  a hobgoblin corpse (skeletalised by now)