IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  a +0 club
(5, 31, D:1)
  a +0 short sword
(16, 15, D:1)
  a +0 dagger
  a stone
(17, 28, D:1)
  a +0 dagger
(35, 30, D:1)
  a +0 club
(36, 17, D:1)
  3 boomerangs

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 robe
(11, -28, D:2)
  a +0 scale mail
(16, -2, D:2)
  2 poisoned darts
(22, -12, D:2)
  a ring of poison resistance {rPois, !d}
(24, -18, D:2)
  a +0 leather armour
(25, -15, D:2)
  a +0 scale mail
  a +0 trident
(26, -16, D:2)
  an amulet of faith {Faith, !P}
  a +0 club
(26, 5, D:2)
  a +0 club
(27, -17, D:2)
  a +0 leather armour
  a +0 club
(28, -18, D:2)
  a +0 club
(42, -20, D:2)
  4 stones
(49, -30, D:2)
  a +0 short sword
(51, -16, D:2)
  a +0 robe

Level 3 of the Dungeon
(2, 15, D:3)
  a +0 dagger
(3, 5, D:3)
  a +0 long sword
(4, 4, D:3)
  7 stones
(11, 10, D:3)
  a +0 club
  2 stones
  a +0 flail
  a +0 club
  a +0 club
  a gnoll corpse (skeletalised by now)
(12, 10, D:3)
  a +0 whip
  a +0 chain mail
(12, 50, D:3)
  5 poisoned darts
(15, 43, D:3)
  a +0 leather armour
(17, 55, D:3)
  a giant cockroach corpse
(19, 16, D:3)
  a quokka corpse (skeletalised by now)
(22, 10, D:3)
  a +0 flail
  2 boomerangs
  a +0 scale mail
  a +0 hand axe
  a +0 leather armour
  a +0 flail
  a +3 leather armour
  a +0 hand axe
  an orc corpse (skeletalised by now)
(23, 10, D:3)
  a +0 dagger
  a +0 scale mail
(25, 11, D:3)
  a +0 sling
(26, 45, D:3)
  4 stones
  a +0 whip
(29, 21, D:3)
  an amulet of faith {Faith, !P}
  a +1 chain mail of fire resistance
(36, 37, D:3)
  a ball python corpse