matrix := [ [0,0,6,0,0,0,0,0,0,0,0], [0,0,0,6,0,0,0,0,0,0,0], [6,11,0,6,0,0,0,0,0,0,0], [6,0,11,6,0,0,0,0,0,0,0], [0,0,0,0,0,0,6,0,0,0,0], [0,0,0,0,0,0,0,6,0,0,0], [11,0,0,11,11,0,11,0,0,0,0], [0,0,0,0,0,0,0,0,0,0,6], [1,1,1,15,0,12,8,4,3,11,4], [7,2,3,5,9,16,4,12,2,8,4], [0,0,0,0,0,6,0,0,0,0,0] ]*Z(17);