IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  3 stones
(9, 18, D:1)
  7 stones
(13, -7, D:1)
  a +0 club
(27, 22, D:1)
  5 stones
  a +0 dagger
(28, 1, D:1)
  7 stones
(28, 17, D:1)
  a +0 dagger
(30, 15, D:1)
  5 poisoned darts
(40, 15, D:1)
  2 stones
(41, 0, D:1)
  4 stones
(41, 16, D:1)
  a +0 club
  4 stones
(42, 13, D:1)
  a +0 leather armour

Level 2 of the Dungeon
(4, -3, D:2)
  3 stones
(10, -25, D:2)
  a +0 whip
  3 stones
(10, -7, D:2)
  a +0 club
(18, -3, D:2)
  a +0 falchion
  a +0 chain mail
(21, -31, D:2)
  a +0 robe
(27, 2, D:2)
  a +0 leather armour
(37, -32, D:2)
  a +0 short sword
(38, -38, D:2)
  a +0 sling
(40, -35, D:2)
  a +0 whip
(42, -20, D:2)
  a +0 leather armour
(46, -11, D:2)
  2 poisoned darts

Level 3 of the Dungeon
(0, 0, D:3)
  a stone
(1, -20, D:3)
  a +0 sling
  a +0 dagger
(1, 5, D:3)
  a +0 club
(6, 11, D:3)
  a +0 whip
(19, -31, D:3)
  a +0 hand axe
  a +0 leather armour
(19, 18, D:3)
  a +0 sling
(33, -15, D:3)
  a +0 flail
(34, -20, D:3)
  a +0 club
(35, -29, D:3)
  a +0 flail
(35, -28, D:3)
  a +0 flail
(35, -26, D:3)
  a +0 whip
  a +0 club
(37, 1, D:3)
  a +0 leather armour
(45, -5, D:3)
  a +0 chain mail

Level 4 of the Dungeon
(1, 7, D:4)
  a +0 sling
(4, 3, D:4)
  6 stones
(10, -7, D:4)
  a +0 dagger
  a +0 robe
(10, 4, D:4)
  a +0 club
(14, -11, D:4)
  a +0 leather armour
(21, -34, D:4)
  a +0 club
(24, -10, D:4)
  a +0 dagger
(28, 18, D:4)
  5 stones
(28, 21, D:4)
  6 stones
(42, -9, D:4)
  a +0 giant spiked club

Level 5 of the Dungeon
(0, 0, D:5)
  a +0 war axe
(3, 3, D:5)
  a scroll of teleportation
(19, 10, D:5)
  a +0 ring mail
(24, 15, D:5)
  a +1 dagger of venom
(26, 9, D:5)
  a +0 flail
  a +0 ring mail
(27, -23, D:5)
  a +0 club
(28, 13, D:5)
  a +0 robe
(39, 12, D:5)
  a water moccasin corpse (skeletalised by now)

an ossuary
(0, 0, Ossuary)
  22 gold pieces
(0, 1, Ossuary)
  17 gold pieces
(26, 0, Ossuary)
  2 scrolls of noise
(26, 1, Ossuary)
  2 scrolls of identify