slix

the Dungeon
(8, 0, D)
  a stone
(9, 0, D)
  2 stones
(5, 1, D)
  2 stones
(6, 1, D)
  a stone (still there?)
  a stone (still there?)
(9, 1, D)
  a stone
(8, 2, D)
  a stone