matrix := [ [0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0], [2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0], [0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0], [0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0], [0,0,0,0,0,0,3,0,0,0,0,0,0,0,0,0], [0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,0], [0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0], [0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0], [0,0,0,0,0,0,0,0,0,0,3,0,0,0,0,0], [0,0,0,0,0,0,0,0,0,0,0,0,3,0,0,0], [0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0], [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3], [0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0], [0,0,1,2,0,1,0,2,4,0,3,4,0,1,0,3], [4,2,3,2,2,1,1,1,2,3,3,4,4,4,4,4], [0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0] ]*Z(5);