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