Glider

Level 1 of the Dungeon
(0, 1, D:1)
  a +0 whip
  (unseen)
(-1, 2, D:1)
  a +0 dagger (still there?)
  a scroll of identify (still there?)
(-12, 4, D:1)
  a bat skeleton
(-2, 6, D:1)
  a stone
(-1, 6, D:1)
  a potion of cancellation
(-3, 7, D:1)
  a stone
(-3, 8, D:1)
  a stone
(-26, 31, D:1)
  20 stones