weights([97,74,39,75,22,
	 61,45,64,41,37,
	 56,75,99,84,42,
	 14,38,54,97,9,
	 55,75,47,57,91]).

values([57,47,92,131,186,
	53,173,67,26,170,
	81,96,159,48,36,
	47,25,174,9,111,
	194,172,124,113,170]).

demands([48,46,80,13,57,
	 66,39,38,78,16,
	 38,39,33,34,18,
	 50,22,74,64,65,
	 34,86,14,69,41]).