* puzzle *

Syntax: puzzle start 

	Starts a new puzzle. The goal is to sort table's numbers, using
	only a free cell.

	puzzle ?/status

	Show your current status of the game.

	puzzle <direction>

	Moves the free cell in <direction>: 
	l (left), r (right), f (forward), b (back)

	puzzle stop

	Stops the puzzle.

See also: .hangman, .tictac