##########################################################

(adaventure_gnu k => debug k=3[castle], 4(temple), M56789)
==========================================================
	-- jump in {3..9} (debug only):
	-- chapter 1---------------
	-- 3=>castle, 4=>temple, 
	--	5=>maze5, 6=>maze6, 
	-- chapter 2---------------
	-- 7=>maze7, 8=>lab8, 9=maze9
	--	any other number => normal start

==========================================================

todo:

.) further test/adjust speed;

.) add red maze;
.) add quicksand;
.) add magnet to grab the chalice from quicksand;
.) add magnet to grab key from wall;

.) moorish shape:  8 pt star = union of 2 squares

