matrix := [ [0,0,6,0,0,0,0,0,0,0], [11,6,6,0,0,0,0,0,0,0], [0,0,0,0,6,0,0,0,0,0], [0,0,0,0,0,6,0,0,0,0], [6,0,0,0,0,0,0,0,0,0], [0,11,11,11,11,11,0,0,0,0], [0,0,0,0,0,0,0,0,6,0], [0,0,0,0,0,0,0,0,0,6], [5,0,8,2,4,15,4,10,2,7], [0,8,16,5,0,2,4,2,13,4] ]*Z(17);