IndexError

Level 1 of the Dungeon
(0, 0, D:1)
  4 stones
(5, -27, D:1)
  7 stones
(16, -14, D:1)
  a +0 club
(17, -31, D:1)
  a +0 short sword
  4 stones
(18, 4, D:1)
  a +0 short sword
(23, 5, D:1)
  a +0 dagger
(24, 9, D:1)
  a +0 club
(26, -27, D:1)
  a +0 spear
(32, -18, D:1)
  a +0 whip
(41, -27, D:1)
  a +0 scale mail

Level 2 of the Dungeon
(0, 0, D:2)
  3 stones
  a +0 whip
(6, 7, D:2)
  a +0 club
(12, -9, D:2)
  6 stones
(14, 9, D:2)
  a +0 whip
(17, 36, D:2)
  a +2 whip of distortion {!w}
(17, 42, D:2)
  a +0 club
(24, 2, D:2)
  a +0 short sword
  5 stones
(28, 19, D:2)
  a +0 tower shield
(41, 18, D:2)
  a +0 spear

Level 3 of the Dungeon
(9, 8, D:3)
  a +0 whip
(18, -1, D:3)
  a +0 short sword
  a stone
(19, -1, D:3)
  a +0 whip
  5 stones
(21, -1, D:3)
  a +0 short sword
  4 stones
(22, -19, D:3)
  4 stones
(31, 20, D:3)
  a +0 flail
(32, 21, D:3)
  a +0 whip
(35, -23, D:3)
  a +0 dagger
(35, -1, D:3)
  a +0 whip
(44, 13, D:3)
  a +0 scale mail
(54, -7, D:3)
  a +0 hand axe

Level 4 of the Dungeon
(0, 0, D:4)
  10 gold pieces
(3, 1, D:4)
  a scroll of identify
(21, -3, D:4)
  a gold piece
(22, -4, D:4)
  13 gold pieces
(29, -11, D:4)
  a +0 robe
(34, -23, D:4)
  4 stones

Level 7 of the Dungeon
(0, 0, D:7)
  4 stones
(1, -22, D:7)
  a +0 kite shield
(18, -11, D:7)
  a +0 dagger