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