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